Product List

Description	Name	Merv Rating	Product Code	Actual Size	Nominal Size
<p><em>Air Purete is an economical option in terms of cost, efficiency, effectiveness to improve your houses indoor air quality. These pleated air filters are high performing and will last 3 to 12 months (depending on the size and the filtration needs of your home) and capture finer particles and clear more contaminants out of the air.</em></p> <p> </p> <p><strong>Performance That Matters:</strong><br /> Benefit from the high-performing design featuring electrostatic media. This not only ensures impressive efficiency but also maintains low air flow resistance. Say goodbye to compromised air quality and hello to freshness.</p> <p> </p> <p><strong>Compatibility Matters:</strong></p> <p>Air Purete is your compatible replacement for several renowned models, including:<br /> <br /> 3M Filtrete Healthy Living 16x25x4<br /> Aerostar (DAFCO) 16x25x4, MERV 8<br />  </p>	AP-3M16254	MERV 8	AP3M16254	15-1/2" x 24-1/2" x 3-3/4"	16x25x4
<p>4556 20x20x5 MERV 11 Furnace Filter (Actual Size: 19-3/4" x 20-5/8" x 4-15/16")<br />  </p> <p>This is an authentic GeneralAire #4556 (previously #4531) ReservePro 20x20x5 MERV 11 pleated air filter that traps airborne particles as small as 1.0 micron. GeneralAire recommends you replace this air filter every 6 months to achieve optimal results.<br />  </p> <p>These 20x20x5 high-efficiency media air filter can be used in air cleaner cabinets of the following makes and models:</p> <ul> <li>GeneralAire Mega-Mac MAC2020</li> <li>Totaline P101-MF16</li> <li>Trion Air Bear 20x20 435790-029, Air Bear Supreme 20X20 455604-001, 455604-019</li> </ul>	GA 4556	MERV 11	GA1120205	19-3/4" x 20-5/8" x 4-15/16"	20x20x5
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aria-hidden="false" style="display:block;padding:4px 20px 24px 20px;"> <p style="font-size:14px;color:#444;line-height:1.7;margin-bottom:16px;padding-top:14px;">Works as a direct replacement for common 16x25x1 HVAC, furnace, air conditioner, and heat pump filter applications:</p> <dl style="display:grid;gap:8px;"> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">3M Filtrete</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">Healthy Living 16x25x1, MPR 600 comparable</dd> </div> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">Aerostar</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">Aerostar / DAFCO 16x25x1, MERV 8 comparable</dd> </div> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">Standard HVAC</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">Compatible with systems requiring a 16x25x1 nominal pleated replacement filter</dd> </div> </dl> </div> </section> <!-- SIZE & DIMENSIONS — closed by default --> <section style="border-bottom:1px solid #e0e0e0;background:#fff;" role="listitem"> <button class="ap17-header" aria-expanded="false" aria-controls="ap17-body-2" onclick="var b=document.getElementById('ap17-body-2');var a=this.querySelector('.ap17-arrow');var open=b.style.display==='block';b.style.display=open?'none':'block';b.setAttribute('aria-hidden',open?'true':'false');this.setAttribute('aria-expanded',open?'false':'true');a.innerHTML=open?'⌃':'⌄';var all=document.querySelectorAll('.ap17-item');var allOpen=Array.from(all).every(function(i){return i.style.display==='block';});document.getElementById('ap17-expand-top').style.display=allOpen?'none':'inline-block';document.getElementById('ap17-collapse-top').style.display=allOpen?'inline-block':'none';document.getElementById('ap17-expand-bottom').style.display=allOpen?'none':'inline-block';document.getElementById('ap17-collapse-bottom').style.display=allOpen?'inline-block':'none';" onkeydown="if(event.key==='Enter'\|\|event.key===' '){this.click();event.preventDefault();}" style="display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;gap:16px;width:100%;background:none;border:none;text-align:left;"> <h3 style="font-size:12px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:#1a1a1a;margin:0;">Size & Dimensions</h3> <span class="ap17-arrow" aria-hidden="true" title="Click to expand" style="font-size:14px;color:#555;min-width:16px;text-align:center;cursor:pointer;">⌃</span> </button> <div class="ap17-item" id="ap17-body-2" aria-hidden="true" style="display:none;padding:4px 20px 24px 20px;"> <p style="font-size:14px;color:#444;line-height:1.7;margin-bottom:16px;padding-top:14px;">Please verify your unit's measurements before ordering.</p> <div style="display:flex;gap:10px;flex-wrap:wrap;margin-top:10px;"> <div style="padding:8px 14px;background:#f7f7f7;border:1px solid #e0e0e0;border-radius:3px;font-size:13px;font-weight:500;color:#1a1a1a;"> <span style="font-size:10px;text-transform:uppercase;letter-spacing:0.08em;color:#2e9e4f;display:block;margin-bottom:3px;font-weight:600;">Nominal Size</span> 16 x 25 x 1 </div> <div style="padding:8px 14px;background:#f7f7f7;border:1px solid #e0e0e0;border-radius:3px;font-size:13px;font-weight:500;color:#1a1a1a;"> <span style="font-size:10px;text-transform:uppercase;letter-spacing:0.08em;color:#2e9e4f;display:block;margin-bottom:3px;font-weight:600;">Actual Size (Decimal)</span> 15.50" x 24.50" x 0.75" </div> <div style="padding:8px 14px;background:#f7f7f7;border:1px solid #e0e0e0;border-radius:3px;font-size:13px;font-weight:500;color:#1a1a1a;"> <span style="font-size:10px;text-transform:uppercase;letter-spacing:0.08em;color:#2e9e4f;display:block;margin-bottom:3px;font-weight:600;">Actual Size (Fraction)</span> 15‑1/2" x 24‑1/2" x 3/4" </div> </div> </div> </section> <!-- HIGH-EFFICIENCY FILTRATION — closed by default --> <section style="border-bottom:1px solid #e0e0e0;background:#fff;" role="listitem"> <button class="ap17-header" aria-expanded="false" aria-controls="ap17-body-3" onclick="var b=document.getElementById('ap17-body-3');var a=this.querySelector('.ap17-arrow');var open=b.style.display==='block';b.style.display=open?'none':'block';b.setAttribute('aria-hidden',open?'true':'false');this.setAttribute('aria-expanded',open?'false':'true');a.innerHTML=open?'⌃':'⌄';var all=document.querySelectorAll('.ap17-item');var allOpen=Array.from(all).every(function(i){return i.style.display==='block';});document.getElementById('ap17-expand-top').style.display=allOpen?'none':'inline-block';document.getElementById('ap17-collapse-top').style.display=allOpen?'inline-block':'none';document.getElementById('ap17-expand-bottom').style.display=allOpen?'none':'inline-block';document.getElementById('ap17-collapse-bottom').style.display=allOpen?'inline-block':'none';" onkeydown="if(event.key==='Enter'\|\|event.key===' '){this.click();event.preventDefault();}" style="display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;gap:16px;width:100%;background:none;border:none;text-align:left;"> <h3 style="font-size:12px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:#1a1a1a;margin:0;">High-Efficiency Filtration</h3> <span class="ap17-arrow" aria-hidden="true" title="Click to expand" style="font-size:14px;color:#555;min-width:16px;text-align:center;cursor:pointer;">⌃</span> </button> <div class="ap17-item" id="ap17-body-3" aria-hidden="true" style="display:none;padding:4px 20px 24px 20px;"> <p style="font-size:14px;color:#444;line-height:1.7;margin-bottom:16px;padding-top:14px;">Engineered with MERV 8 pleated synthetic media, this filter helps reduce common household particles including lint, dust, pollen, and pet dander from the air circulating through your home while maintaining low airflow resistance.</p> <ul style="list-style:disc;display:grid;gap:8px;margin-top:8px;padding-left:20px;"> <li style="font-size:14px;color:#444;line-height:1.6;">Helps capture lint, dust, pollen, and pet dander</li> <li style="font-size:14px;color:#444;line-height:1.6;">Maintains low airflow resistance throughout your HVAC system</li> <li style="font-size:14px;color:#444;line-height:1.6;">Comparable with MPR 600 and FPR 5 rated filters</li> </ul> <div style="display:flex;gap:8px;flex-wrap:wrap;margin:12px 0;" role="list" aria-label="Filter ratings"> <span role="listitem" style="padding:6px 14px;background:#f0f0f0;border:1.5px solid #e0e0e0;border-radius:3px;font-size:12px;font-weight:700;letter-spacing:0.05em;color:#2e9e4f;">MERV 8</span> <span role="listitem" style="padding:6px 14px;background:#f0f0f0;border:1.5px solid #e0e0e0;border-radius:3px;font-size:12px;font-weight:700;letter-spacing:0.05em;color:#2e9e4f;">MPR 600</span> <span role="listitem" style="padding:6px 14px;background:#f0f0f0;border:1.5px solid #e0e0e0;border-radius:3px;font-size:12px;font-weight:700;letter-spacing:0.05em;color:#2e9e4f;">FPR 5</span> </div> </div> </section> <!-- LONG-LASTING FILTRATION — closed by default --> <section style="border-bottom:1px solid #e0e0e0;background:#fff;" role="listitem"> <button class="ap17-header" aria-expanded="false" aria-controls="ap17-body-4" onclick="var b=document.getElementById('ap17-body-4');var a=this.querySelector('.ap17-arrow');var open=b.style.display==='block';b.style.display=open?'none':'block';b.setAttribute('aria-hidden',open?'true':'false');this.setAttribute('aria-expanded',open?'false':'true');a.innerHTML=open?'⌃':'⌄';var all=document.querySelectorAll('.ap17-item');var allOpen=Array.from(all).every(function(i){return i.style.display==='block';});document.getElementById('ap17-expand-top').style.display=allOpen?'none':'inline-block';document.getElementById('ap17-collapse-top').style.display=allOpen?'inline-block':'none';document.getElementById('ap17-expand-bottom').style.display=allOpen?'none':'inline-block';document.getElementById('ap17-collapse-bottom').style.display=allOpen?'inline-block':'none';" onkeydown="if(event.key==='Enter'\|\|event.key===' '){this.click();event.preventDefault();}" style="display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;gap:16px;width:100%;background:none;border:none;text-align:left;"> <h3 style="font-size:12px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:#1a1a1a;margin:0;">Long-Lasting Filtration</h3> <span class="ap17-arrow" aria-hidden="true" title="Click to expand" style="font-size:14px;color:#555;min-width:16px;text-align:center;cursor:pointer;">⌃</span> </button> <div class="ap17-item" id="ap17-body-4" aria-hidden="true" style="display:none;padding:4px 20px 24px 20px;"> <p style="font-size:14px;color:#444;line-height:1.7;margin-bottom:16px;padding-top:14px;">Electrostatically charged pleated media helps capture more household particles while supporting dependable airflow and longer service life compared with standard fiberglass filters.</p> <ul style="list-style:disc;display:grid;gap:8px;margin-top:8px;padding-left:20px;"> <li style="font-size:14px;color:#444;line-height:1.6;">Replace every <strong>3–12 months</strong> depending on home conditions and filtration needs</li> <li style="font-size:14px;color:#444;line-height:1.6;">Low maintenance — no upkeep between replacements</li> <li style="font-size:14px;color:#444;line-height:1.6;">Pleated design increases surface area for improved particle capture</li> </ul> </div> </section> <!-- SUPERIOR CONSTRUCTION — closed by default --> <section style="border-bottom:1px solid #e0e0e0;background:#fff;" role="listitem"> <button class="ap17-header" aria-expanded="false" aria-controls="ap17-body-5" onclick="var b=document.getElementById('ap17-body-5');var a=this.querySelector('.ap17-arrow');var open=b.style.display==='block';b.style.display=open?'none':'block';b.setAttribute('aria-hidden',open?'true':'false');this.setAttribute('aria-expanded',open?'false':'true');a.innerHTML=open?'⌃':'⌄';var all=document.querySelectorAll('.ap17-item');var allOpen=Array.from(all).every(function(i){return i.style.display==='block';});document.getElementById('ap17-expand-top').style.display=allOpen?'none':'inline-block';document.getElementById('ap17-collapse-top').style.display=allOpen?'inline-block':'none';document.getElementById('ap17-expand-bottom').style.display=allOpen?'none':'inline-block';document.getElementById('ap17-collapse-bottom').style.display=allOpen?'inline-block':'none';" onkeydown="if(event.key==='Enter'\|\|event.key===' '){this.click();event.preventDefault();}" style="display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;gap:16px;width:100%;background:none;border:none;text-align:left;"> <h3 style="font-size:12px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:#1a1a1a;margin:0;">Superior Construction</h3> <span class="ap17-arrow" aria-hidden="true" title="Click to expand" style="font-size:14px;color:#555;min-width:16px;text-align:center;cursor:pointer;">⌃</span> </button> <div class="ap17-item" id="ap17-body-5" aria-hidden="true" style="display:none;padding:4px 20px 24px 20px;"> <p style="font-size:14px;color:#444;line-height:1.7;margin-bottom:16px;padding-top:14px;">Built for dependable performance and engineered for a secure fit in standard 16x25x1 HVAC systems.</p> <ul style="list-style:disc;display:grid;gap:8px;margin-top:8px;padding-left:20px;"> <li style="font-size:14px;color:#444;line-height:1.6;">Durable pleated design supports consistent filtration performance</li> <li style="font-size:14px;color:#444;line-height:1.6;">Electrostatically charged synthetic media helps capture common household particles</li> <li style="font-size:14px;color:#444;line-height:1.6;">Designed for easy replacement in compatible furnace, AC, heat pump, and HVAC systems</li> </ul> <span style="display:inline-block;margin-top:14px;padding:6px 14px;background:#f0f0f0;border:1.5px solid #e0e0e0;border-radius:3px;font-size:12px;font-weight:700;letter-spacing:0.05em;color:#2e9e4f;">Made in USA & Canada</span> </div> </section> </div> <div style="display:flex;gap:8px;padding:12px 0;width:100%;" role="group" aria-label="Accordion controls"> <span style="flex:1;"></span> <button id="ap17-expand-bottom" aria-label="Expand all sections" onclick="document.querySelectorAll('.ap17-item').forEach(function(i){i.style.display='block';i.setAttribute('aria-hidden','false');});document.querySelectorAll('.ap17-arrow').forEach(function(a){a.innerHTML='⌄';});document.querySelectorAll('.ap17-header').forEach(function(h){h.setAttribute('aria-expanded','true');});document.getElementById('ap17-expand-top').style.display='none';document.getElementById('ap17-collapse-top').style.display='inline-block';document.getElementById('ap17-expand-bottom').style.display='none';document.getElementById('ap17-collapse-bottom').style.display='inline-block';" style="font-size:11px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;padding:7px 14px;border:1.5px solid #e0e0e0;border-radius:3px;cursor:pointer;background:#fff;color:#555;">Expand All</button> <button id="ap17-collapse-bottom" aria-label="Collapse all sections" onclick="document.querySelectorAll('.ap17-item').forEach(function(i){i.style.display='none';i.setAttribute('aria-hidden','true');});document.querySelectorAll('.ap17-arrow').forEach(function(a){a.innerHTML='⌃';});document.querySelectorAll('.ap17-header').forEach(function(h){h.setAttribute('aria-expanded','false');});document.getElementById('ap17-expand-top').style.display='inline-block';document.getElementById('ap17-collapse-top').style.display='none';document.getElementById('ap17-expand-bottom').style.display='inline-block';document.getElementById('ap17-collapse-bottom').style.display='none';" style="display:none;font-size:11px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;padding:7px 14px;border:1.5px solid #e0e0e0;border-radius:3px;cursor:pointer;background:#fff;color:#555;">Collapse All</button> </div> <!-- END SECTION -->	AP-3M16251	MERV 8	AP3M16251	15-1/2" x 24-1/2" x 3/4"	16x25x1
<p>4541 16x25x5 MERV 11 Furnace Filter (Actual Size: 15-5/8" x 24-3/16" x 4-15/16")<br />  </p> <p>This is an authentic GeneralAire #4541 (previously #4511) ReservePro 16x25x5 MERV 11 pleated air filter that traps airborne particles as small as 1.0 micron. GeneralAire recommends you replace this air filter every 6 months to achieve optimal results.<br />  </p> <p>These 16x25x5 high-efficiency media air filter can be used in air cleaner cabinets of the following makes and models:</p> <ul> <li>GeneralAire MAC 1400 / Part# GF-4541</li> <li>Source1 S1-MAC10162505 / Part# S1-FM10162505</li> <li>Trion Air Bear Supreme 1400 / Part# 255649-105</li> <li>Skuttle DBO-0025-016 / Part# 448-1</li> <li>Ultravation 90-006 / Part# 91-005</li> </ul>	GA 4541 - previously GA 4511	MERV 11	GA1116255	15-5/8" x 24-3/16" x 4-15/16"	16x25x5
<p>4551 20x25x5 MERV 11 Furnace Filter (Actual Size: 19-5/8" x 24-3/16" x 4-15/16")<br />  </p> <p>This is an authentic GeneralAire #4551 (previously #4501) ReservePro 20x25x5 MERV 11 pleated air filter that traps airborne particles as small as 1.0 micron. GeneralAire recommends you replace this air filter every 6 months to achieve optimal results.<br />  </p> <p>These 20x25x5 high-efficiency media air filter can be used in air cleaner cabinets of the following makes and models:</p> <ul> <li>GeneralAire Mega-Mac MAC2000, MAC-L</li> <li>Lennox MAC-10, MF1-20</li> <li>Source1 S1-MAC10202505</li> <li>Totaline P101-MF20</li> <li>Trion Air Bear 435790-001, 435790-027, Air Bear 25x20 453000-001, Air Bear Grill Mount 2000 446672-004; Air Bear Supreme 2000 455602-001, Air Bear Right-Angle 447380-001, 447380-002, 447380-004, Son of a Bear 435790-048</li> <li>Ultravation 90-007, 90-008, 90-010</li> <li>York S1-MAC10202505</li> </ul>	GA 4551 - previously GA 4501	MERV 11	GA1120255	19-5/8" x 24-3/16" x 4-15/16"	20x25x5
<p>4521 16x25x3 MERV 8 Furnace Filter (Actual Size: 15-5/8" x 24-3/16" x 2-15/16")<br />  </p> <p>This is an authentic GeneralAire #4521 (ReservePro) 16x25x3 MERV 8 pleated air filter.<br />  </p> <p>These 16x25x3 high-efficiency media air filter can be used in air cleaner cabinets of the following makes and models:<br />  </p> <ul> <li>GeneralAire Mini-Mac MAC1200</li> <li>Lennox BMAC-12C</li> <li>Trion Air Bear Cub 435790-012, Air Bear TM 435790-028, Air Bear Grille Mount 1200 446672-003</li> <li>Ultravation 90-005</li> <li>White-Rodgers ACM1200TM-100</li> </ul>	GA 4521	MERV 8	GA0816253	15-5/8" x 24-3/16" x 2-15/16"	16x25x3
3M1120254 20x25x4 MERV 11 Furnace Filter (Actual Size: 19-1/2" x 19-1/2" x 3-3/4" )	3M 1120254	MERV 11	3M1120254	19-1/2" x 19-1/2" x 3-3/4"	20x25x4
513 28x30x4 MERV 13 Furnace Filter (Actual Size: 28" x 30" x 4-1/8")	AA 513 CBN	MERV 13	AA1328304	28" x 30" x 4-1/8"	20x30x4
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aria-hidden="false" style="display:block;padding:4px 20px 24px 20px;"> <p style="font-size:14px;color:#444;line-height:1.7;margin-bottom:16px;padding-top:14px;">This AprilAire 201 replacement filter is compatible with the following brands and models:</p> <dl style="display:grid;gap:8px;"> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">Aprilaire</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">201, 2200, 2250</dd> </div> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">Space-Gard</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">2200, 2250</dd> </div> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">Lennox</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">PMAC-20C, X4560, X0445, X5424</dd> </div> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">Coleman</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">S1-FM201, S1-FM11202506AA, S1-WHM10202505C</dd> </div> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">Luxaire</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">S1-FM201, S1-FM11202506AA, S1-WHM10202505L</dd> </div> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">Source1</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">S1-FM201, S1-FM11202506AA, S1-WHM10202505</dd> </div> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">York</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">S1-FM201, S1-FM11202506AA, S1-WHM10202505Y</dd> </div> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">Honeywell</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">FC2200A1009</dd> </div> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">GeneralAire</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">4050, 12880, 201-12880, AC12880, GF-AC12880</dd> </div> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">White-Rodgers</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">FR2000-401</dd> </div> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">BestAir Pro</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">SGM, SGM-PR</dd> </div> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">Indigo</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">2400.32RM</dd> </div> </dl> </div> </section> <!-- SIZE & DIMENSIONS — closed by default --> <section style="border-bottom:1px solid #e0e0e0;background:#fff;" role="listitem"> <button class="ap9-header" aria-expanded="false" aria-controls="ap9-body-2" onclick="var b=document.getElementById('ap9-body-2');var a=this.querySelector('.ap9-arrow');var open=b.style.display==='block';b.style.display=open?'none':'block';b.setAttribute('aria-hidden',open?'true':'false');this.setAttribute('aria-expanded',open?'false':'true');a.innerHTML=open?'⌃':'⌄';var all=document.querySelectorAll('.ap9-item');var allOpen=Array.from(all).every(function(i){return 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aria-hidden="true" style="display:none;padding:4px 20px 24px 20px;"> <p style="font-size:14px;color:#444;line-height:1.7;margin-bottom:16px;padding-top:14px;">Please verify your unit's measurements before ordering.</p> <div style="display:flex;gap:10px;flex-wrap:wrap;margin-top:10px;"> <div style="padding:8px 14px;background:#f7f7f7;border:1px solid #e0e0e0;border-radius:3px;font-size:13px;font-weight:500;color:#1a1a1a;"> <span style="font-size:10px;text-transform:uppercase;letter-spacing:0.08em;color:#2e9e4f;display:block;margin-bottom:3px;font-weight:600;">Nominal Size</span> 20 x 25 x 6 </div> <div style="padding:8px 14px;background:#f7f7f7;border:1px solid #e0e0e0;border-radius:3px;font-size:13px;font-weight:500;color:#1a1a1a;"> <span style="font-size:10px;text-transform:uppercase;letter-spacing:0.08em;color:#2e9e4f;display:block;margin-bottom:3px;font-weight:600;">Actual Size (Decimal)</span> 21.06" x 25.19" x 7.38" </div> <div style="padding:8px 14px;background:#f7f7f7;border:1px solid #e0e0e0;border-radius:3px;font-size:13px;font-weight:500;color:#1a1a1a;"> <span style="font-size:10px;text-transform:uppercase;letter-spacing:0.08em;color:#2e9e4f;display:block;margin-bottom:3px;font-weight:600;">Actual Size (Fraction)</span> 21‑1/16" x 25‑3/16" x 7‑3/8" </div> </div> </div> </section> <!-- FILTRATION PERFORMANCE — closed by default --> <section style="border-bottom:1px solid #e0e0e0;background:#fff;" role="listitem"> <button class="ap9-header" aria-expanded="false" aria-controls="ap9-body-3" onclick="var b=document.getElementById('ap9-body-3');var a=this.querySelector('.ap9-arrow');var open=b.style.display==='block';b.style.display=open?'none':'block';b.setAttribute('aria-hidden',open?'true':'false');this.setAttribute('aria-expanded',open?'false':'true');a.innerHTML=open?'⌃':'⌄';var all=document.querySelectorAll('.ap9-item');var allOpen=Array.from(all).every(function(i){return 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aria-hidden="true" style="display:none;padding:4px 20px 24px 20px;"> <p style="font-size:14px;color:#444;line-height:1.7;margin-bottom:16px;padding-top:14px;">Designed with MERV 10 bonded glass fiber media — a surface-loading filter whose efficiency increases with usage, helping reduce airborne particles circulating through your home.</p> <ul style="list-style:disc;display:grid;gap:8px;margin-top:8px;padding-left:20px;"> <li style="font-size:14px;color:#444;line-height:1.6;">Helps capture dust, pollen, mold spores, bacteria, and pet dander</li> <li style="font-size:14px;color:#444;line-height:1.6;">Patented Self-Seal Technology minimizes air bypassing the filter</li> <li style="font-size:14px;color:#444;line-height:1.6;">Filter efficiency increases with use over time</li> <li style="font-size:14px;color:#444;line-height:1.6;">Replace every 12–24 months depending on usage</li> </ul> <div style="display:flex;gap:8px;flex-wrap:wrap;margin:12px 0;" role="list" aria-label="Filter ratings"> <span role="listitem" style="padding:6px 14px;background:#f0f0f0;border:1.5px solid #e0e0e0;border-radius:3px;font-size:12px;font-weight:700;letter-spacing:0.05em;color:#2e9e4f;">MERV 10</span> </div> </div> </section> <!-- EASY INSTALLATION — closed by default --> <section style="border-bottom:1px solid #e0e0e0;background:#fff;" role="listitem"> <button class="ap9-header" aria-expanded="false" aria-controls="ap9-body-4" onclick="var b=document.getElementById('ap9-body-4');var a=this.querySelector('.ap9-arrow');var open=b.style.display==='block';b.style.display=open?'none':'block';b.setAttribute('aria-hidden',open?'true':'false');this.setAttribute('aria-expanded',open?'false':'true');a.innerHTML=open?'⌃':'⌄';var all=document.querySelectorAll('.ap9-item');var allOpen=Array.from(all).every(function(i){return i.style.display==='block';});document.getElementById('ap9-expand-top').style.display=allOpen?'none':'inline-block';document.getElementById('ap9-collapse-top').style.display=allOpen?'inline-block':'none';document.getElementById('ap9-expand-bottom').style.display=allOpen?'none':'inline-block';document.getElementById('ap9-collapse-bottom').style.display=allOpen?'inline-block':'none';" onkeydown="if(event.key==='Enter'\|\|event.key===' '){this.click();event.preventDefault();}" style="display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;gap:16px;width:100%;background:none;border:none;text-align:left;"> <h3 style="font-size:12px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:#1a1a1a;margin:0;">Easy Installation</h3> <span class="ap9-arrow" aria-hidden="true" title="Click to expand" style="font-size:14px;color:#555;min-width:16px;text-align:center;cursor:pointer;">⌃</span> </button> <div class="ap9-item" id="ap9-body-4" aria-hidden="true" style="display:none;padding:4px 20px 24px 20px;"> <p style="font-size:14px;color:#444;line-height:1.7;margin-bottom:16px;padding-top:14px;">Designed for the AprilAire Interlock Rail System — installation takes seconds with no tools, no assembly, and no cardboard or metal reinforcements needed.</p> <ul style="list-style:disc;display:grid;gap:8px;margin-top:8px;padding-left:20px;"> <li style="font-size:14px;color:#444;line-height:1.6;">Simple 3-step process — unpack, slide in, close the door</li> <li style="font-size:14px;color:#444;line-height:1.6;">Engineered for a precise, secure fit every time</li> </ul> </div> </section> <!-- APRILAIRE QUALITY — closed by default --> <section style="border-bottom:1px solid #e0e0e0;background:#fff;" role="listitem"> <button class="ap9-header" aria-expanded="false" aria-controls="ap9-body-5" onclick="var b=document.getElementById('ap9-body-5');var a=this.querySelector('.ap9-arrow');var open=b.style.display==='block';b.style.display=open?'none':'block';b.setAttribute('aria-hidden',open?'true':'false');this.setAttribute('aria-expanded',open?'false':'true');a.innerHTML=open?'⌃':'⌄';var all=document.querySelectorAll('.ap9-item');var allOpen=Array.from(all).every(function(i){return i.style.display==='block';});document.getElementById('ap9-expand-top').style.display=allOpen?'none':'inline-block';document.getElementById('ap9-collapse-top').style.display=allOpen?'inline-block':'none';document.getElementById('ap9-expand-bottom').style.display=allOpen?'none':'inline-block';document.getElementById('ap9-collapse-bottom').style.display=allOpen?'inline-block':'none';" onkeydown="if(event.key==='Enter'\|\|event.key===' '){this.click();event.preventDefault();}" style="display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;gap:16px;width:100%;background:none;border:none;text-align:left;"> <h3 style="font-size:12px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:#1a1a1a;margin:0;">AprilAire Quality</h3> <span class="ap9-arrow" aria-hidden="true" title="Click to expand" style="font-size:14px;color:#555;min-width:16px;text-align:center;cursor:pointer;">⌃</span> </button> <div class="ap9-item" id="ap9-body-5" aria-hidden="true" style="display:none;padding:4px 20px 24px 20px;"> <p style="font-size:14px;color:#444;line-height:1.7;margin-bottom:16px;padding-top:14px;">This AprilAire 201 replacement filter is designed and manufactured to optimize the performance of your AprilAire or Space-Gard Air Purifier.</p> <ul style="list-style:disc;display:grid;gap:8px;margin-top:8px;padding-left:20px;"> <li style="font-size:14px;color:#444;line-height:1.6;">Designed and manufactured in the USA by AprilAire</li> <li style="font-size:14px;color:#444;line-height:1.6;">Annual replacement recommended for optimal HVAC protection</li> <li style="font-size:14px;color:#444;line-height:1.6;">Engineered to optimize performance for the AprilAire 2200, 2250 and Space-Gard 2200, 2250</li> <li style="font-size:14px;color:#444;line-height:1.6;">Consider the <strong>AprilAire 1213 Upgrade Kit</strong> — replaces the 201 filter with a high-performance 213 filter and new filter frame system, eliminating pleat spacers</li> </ul> <span style="display:inline-block;margin-top:14px;padding:6px 14px;background:#f0f0f0;border:1.5px solid #e0e0e0;border-radius:3px;font-size:12px;font-weight:700;letter-spacing:0.05em;color:#2e9e4f;">Made in the USA</span> </div> </section> </div> <!-- BOTTOM CONTROLS --> <div style="display:flex;gap:8px;padding:12px 0;width:100%;" role="group" aria-label="Accordion controls"> <span style="flex:1;"></span> <button id="ap9-expand-bottom" aria-label="Expand all sections" 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onclick="document.querySelectorAll('.ap9-item').forEach(function(i){i.style.display='none';i.setAttribute('aria-hidden','true');});document.querySelectorAll('.ap9-arrow').forEach(function(a){a.innerHTML='⌃';});document.querySelectorAll('.ap9-header').forEach(function(h){h.setAttribute('aria-expanded','false');});document.getElementById('ap9-expand-top').style.display='inline-block';document.getElementById('ap9-collapse-top').style.display='none';document.getElementById('ap9-expand-bottom').style.display='inline-block';document.getElementById('ap9-collapse-bottom').style.display='none';" style="display:none;font-size:11px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;padding:7px 14px;border:1.5px solid #e0e0e0;border-radius:3px;cursor:pointer;background:#fff;color:#555;">Collapse All</button> </div> <!-- END SECTION -->	AA 201	MERV 10	AA1020256	21.06x25.19x7.38 inches	20x25x6
<!-- PASTE THIS SECTION INTO YOUR PRODUCT PAGE --> <!-- TOP CONTROLS --> <div style="display:flex;gap:8px;padding:12px 0;width:100%;box-sizing:border-box;" role="group" aria-label="Accordion controls"> <span style="flex:1;"></span> <button id="ap12-expand-top" aria-label="Expand all sections" onclick="document.querySelectorAll('.ap12-item').forEach(function(i){i.style.display='block';i.setAttribute('aria-hidden','false');});document.querySelectorAll('.ap12-arrow').forEach(function(a){a.innerHTML='⌄';});document.querySelectorAll('.ap12-header').forEach(function(h){h.setAttribute('aria-expanded','true');});document.getElementById('ap12-expand-top').style.display='none';document.getElementById('ap12-collapse-top').style.display='inline-block';document.getElementById('ap12-expand-bottom').style.display='none';document.getElementById('ap12-collapse-bottom').style.display='inline-block';" style="font-size:11px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;padding:7px 14px;border:1.5px solid #e0e0e0;border-radius:3px;cursor:pointer;background:#fff;color:#555;">Expand All</button> <button id="ap12-collapse-top" aria-label="Collapse all sections" onclick="document.querySelectorAll('.ap12-item').forEach(function(i){i.style.display='none';i.setAttribute('aria-hidden','true');});document.querySelectorAll('.ap12-arrow').forEach(function(a){a.innerHTML='⌃';});document.querySelectorAll('.ap12-header').forEach(function(h){h.setAttribute('aria-expanded','false');});document.getElementById('ap12-expand-top').style.display='inline-block';document.getElementById('ap12-collapse-top').style.display='none';document.getElementById('ap12-expand-bottom').style.display='inline-block';document.getElementById('ap12-collapse-bottom').style.display='none';" style="display:none;font-size:11px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;padding:7px 14px;border:1.5px solid #e0e0e0;border-radius:3px;cursor:pointer;background:#fff;color:#555;">Collapse All</button> </div> <!-- ACCORDION WRAPPER --> <div style="width:100%;border-top:1px solid #e0e0e0;" role="list"> <!-- COMPATIBLE MODELS — open by default --> <section style="border-bottom:1px solid #e0e0e0;background:#fff;" role="listitem"> <button class="ap12-header" aria-expanded="true" aria-controls="ap12-body-1" onclick="var b=document.getElementById('ap12-body-1');var a=this.querySelector('.ap12-arrow');var open=b.style.display==='block';b.style.display=open?'none':'block';b.setAttribute('aria-hidden',open?'true':'false');this.setAttribute('aria-expanded',open?'false':'true');a.innerHTML=open?'⌃':'⌄';var all=document.querySelectorAll('.ap12-item');var allOpen=Array.from(all).every(function(i){return i.style.display==='block';});document.getElementById('ap12-expand-top').style.display=allOpen?'none':'inline-block';document.getElementById('ap12-collapse-top').style.display=allOpen?'inline-block':'none';document.getElementById('ap12-expand-bottom').style.display=allOpen?'none':'inline-block';document.getElementById('ap12-collapse-bottom').style.display=allOpen?'inline-block':'none';" onkeydown="if(event.key==='Enter'\|\|event.key===' '){this.click();event.preventDefault();}" style="display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;gap:16px;width:100%;background:none;border:none;text-align:left;"> <h3 style="font-size:12px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:#1a1a1a;margin:0;">Compatible Models</h3> <span class="ap12-arrow" aria-hidden="true" title="Click to collapse" style="font-size:14px;color:#555;min-width:16px;text-align:center;cursor:pointer;">⌄</span> </button> <div class="ap12-item" id="ap12-body-1" aria-hidden="false" style="display:block;padding:4px 20px 24px 20px;"> <p style="font-size:14px;color:#444;line-height:1.7;margin-bottom:16px;padding-top:14px;">This AprilAire 501 replacement filter is compatible with the following models:</p> <dl style="display:grid;gap:8px;"> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">Aprilaire</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">5000</dd> </div> <div style="display:grid;grid-template-columns:130px minmax(0,1fr);gap:10px;align-items:start;padding:10px 14px;background:#f7f7f7;border-left:3px solid #2e9e4f;"> <dt style="font-size:12px;font-weight:700;color:#1a1a1a;text-transform:uppercase;letter-spacing:0.04em;">York</dt> <dd style="font-size:12px;color:#555;line-height:1.8;word-break:break-word;margin:0;">S1-HEAC3000Y</dd> </div> </dl> </div> </section> <!-- SIZE & DIMENSIONS — closed by default --> <section style="border-bottom:1px solid #e0e0e0;background:#fff;" role="listitem"> <button class="ap12-header" aria-expanded="false" aria-controls="ap12-body-2" onclick="var b=document.getElementById('ap12-body-2');var a=this.querySelector('.ap12-arrow');var open=b.style.display==='block';b.style.display=open?'none':'block';b.setAttribute('aria-hidden',open?'true':'false');this.setAttribute('aria-expanded',open?'false':'true');a.innerHTML=open?'⌃':'⌄';var all=document.querySelectorAll('.ap12-item');var allOpen=Array.from(all).every(function(i){return i.style.display==='block';});document.getElementById('ap12-expand-top').style.display=allOpen?'none':'inline-block';document.getElementById('ap12-collapse-top').style.display=allOpen?'inline-block':'none';document.getElementById('ap12-expand-bottom').style.display=allOpen?'none':'inline-block';document.getElementById('ap12-collapse-bottom').style.display=allOpen?'inline-block':'none';" onkeydown="if(event.key==='Enter'\|\|event.key===' '){this.click();event.preventDefault();}" style="display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;gap:16px;width:100%;background:none;border:none;text-align:left;"> <h3 style="font-size:12px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:#1a1a1a;margin:0;">Size & Dimensions</h3> <span class="ap12-arrow" aria-hidden="true" title="Click to expand" style="font-size:14px;color:#555;min-width:16px;text-align:center;cursor:pointer;">⌃</span> </button> <div class="ap12-item" id="ap12-body-2" aria-hidden="true" style="display:none;padding:4px 20px 24px 20px;"> <p style="font-size:14px;color:#444;line-height:1.7;margin-bottom:16px;padding-top:14px;">Please verify your unit's measurements before ordering.</p> <div style="display:flex;gap:10px;flex-wrap:wrap;margin-top:10px;"> <div style="padding:8px 14px;background:#f7f7f7;border:1px solid #e0e0e0;border-radius:3px;font-size:13px;font-weight:500;color:#1a1a1a;"> <span style="font-size:10px;text-transform:uppercase;letter-spacing:0.08em;color:#2e9e4f;display:block;margin-bottom:3px;font-weight:600;">Nominal Size</span> 16 x 25 x 6 </div> <div style="padding:8px 14px;background:#f7f7f7;border:1px solid #e0e0e0;border-radius:3px;font-size:13px;font-weight:500;color:#1a1a1a;"> <span style="font-size:10px;text-transform:uppercase;letter-spacing:0.08em;color:#2e9e4f;display:block;margin-bottom:3px;font-weight:600;">Actual Size (Decimal)</span> 17" x 28" x 7.47" </div> <div style="padding:8px 14px;background:#f7f7f7;border:1px solid #e0e0e0;border-radius:3px;font-size:13px;font-weight:500;color:#1a1a1a;"> <span style="font-size:10px;text-transform:uppercase;letter-spacing:0.08em;color:#2e9e4f;display:block;margin-bottom:3px;font-weight:600;">Actual Size (Fraction)</span> 17" x 28" x 7‑1/2" </div> </div> </div> </section> <!-- HIGH-EFFICIENCY FILTRATION — closed by default --> <section style="border-bottom:1px solid #e0e0e0;background:#fff;" role="listitem"> <button class="ap12-header" aria-expanded="false" aria-controls="ap12-body-3" onclick="var b=document.getElementById('ap12-body-3');var a=this.querySelector('.ap12-arrow');var open=b.style.display==='block';b.style.display=open?'none':'block';b.setAttribute('aria-hidden',open?'true':'false');this.setAttribute('aria-expanded',open?'false':'true');a.innerHTML=open?'⌃':'⌄';var all=document.querySelectorAll('.ap12-item');var allOpen=Array.from(all).every(function(i){return i.style.display==='block';});document.getElementById('ap12-expand-top').style.display=allOpen?'none':'inline-block';document.getElementById('ap12-collapse-top').style.display=allOpen?'inline-block':'none';document.getElementById('ap12-expand-bottom').style.display=allOpen?'none':'inline-block';document.getElementById('ap12-collapse-bottom').style.display=allOpen?'inline-block':'none';" onkeydown="if(event.key==='Enter'\|\|event.key===' '){this.click();event.preventDefault();}" style="display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;gap:16px;width:100%;background:none;border:none;text-align:left;"> <h3 style="font-size:12px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:#1a1a1a;margin:0;">High-Efficiency Filtration</h3> <span class="ap12-arrow" aria-hidden="true" title="Click to expand" style="font-size:14px;color:#555;min-width:16px;text-align:center;cursor:pointer;">⌃</span> </button> <div class="ap12-item" id="ap12-body-3" aria-hidden="true" style="display:none;padding:4px 20px 24px 20px;"> <p style="font-size:14px;color:#444;line-height:1.7;margin-bottom:16px;padding-top:14px;">Bonded glass fiber media with filtration capabilities equivalent to a MERV 15 air filter when used with the AprilAire 5000 Electronic Air Purifier — delivering comprehensive whole-home air quality protection.</p> <ul style="list-style:disc;display:grid;gap:8px;margin-top:8px;padding-left:20px;"> <li style="font-size:14px;color:#444;line-height:1.6;">Captures up to 90% of virus-size airborne particles (0.3–1.0 microns) including tobacco smoke and smog</li> <li style="font-size:14px;color:#444;line-height:1.6;">Traps up to 98% of allergy and asthma triggers (3.0–10.0 microns) including dust, pollen, mold spores, bacteria, pet dander, and dust mites</li> <li style="font-size:14px;color:#444;line-height:1.6;">Replace every 12 months for optimal performance</li> </ul> <div style="display:flex;gap:8px;flex-wrap:wrap;margin:12px 0;" role="list" aria-label="Filter ratings"> <span role="listitem" style="padding:6px 14px;background:#f0f0f0;border:1.5px solid #e0e0e0;border-radius:3px;font-size:12px;font-weight:700;letter-spacing:0.05em;color:#2e9e4f;">MERV 15 Equivalent</span> </div> </div> </section> <!-- EASY INSTALLATION — closed by default --> <section style="border-bottom:1px solid #e0e0e0;background:#fff;" role="listitem"> <button class="ap12-header" aria-expanded="false" aria-controls="ap12-body-4" onclick="var b=document.getElementById('ap12-body-4');var a=this.querySelector('.ap12-arrow');var open=b.style.display==='block';b.style.display=open?'none':'block';b.setAttribute('aria-hidden',open?'true':'false');this.setAttribute('aria-expanded',open?'false':'true');a.innerHTML=open?'⌃':'⌄';var all=document.querySelectorAll('.ap12-item');var allOpen=Array.from(all).every(function(i){return i.style.display==='block';});document.getElementById('ap12-expand-top').style.display=allOpen?'none':'inline-block';document.getElementById('ap12-collapse-top').style.display=allOpen?'inline-block':'none';document.getElementById('ap12-expand-bottom').style.display=allOpen?'none':'inline-block';document.getElementById('ap12-collapse-bottom').style.display=allOpen?'inline-block':'none';" onkeydown="if(event.key==='Enter'\|\|event.key===' '){this.click();event.preventDefault();}" style="display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;gap:16px;width:100%;background:none;border:none;text-align:left;"> <h3 style="font-size:12px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:#1a1a1a;margin:0;">Easy Installation</h3> <span class="ap12-arrow" aria-hidden="true" title="Click to expand" style="font-size:14px;color:#555;min-width:16px;text-align:center;cursor:pointer;">⌃</span> </button> <div class="ap12-item" id="ap12-body-4" aria-hidden="true" style="display:none;padding:4px 20px 24px 20px;"> <p style="font-size:14px;color:#444;line-height:1.7;margin-bottom:16px;padding-top:14px;">Designed for the AprilAire 5000 Electronic Air Purifier — installation takes seconds with no tools, no assembly, and no cardboard or metal reinforcements needed.</p> <ul style="list-style:disc;display:grid;gap:8px;margin-top:8px;padding-left:20px;"> <li style="font-size:14px;color:#444;line-height:1.6;">Simple 3-step process — unpack, slide in, close the door</li> <li style="font-size:14px;color:#444;line-height:1.6;">Engineered for a precise, secure fit every time</li> </ul> </div> </section> <!-- APRILAIRE QUALITY — closed by default --> <section style="border-bottom:1px solid #e0e0e0;background:#fff;" role="listitem"> <button class="ap12-header" aria-expanded="false" aria-controls="ap12-body-5" onclick="var b=document.getElementById('ap12-body-5');var a=this.querySelector('.ap12-arrow');var open=b.style.display==='block';b.style.display=open?'none':'block';b.setAttribute('aria-hidden',open?'true':'false');this.setAttribute('aria-expanded',open?'false':'true');a.innerHTML=open?'⌃':'⌄';var all=document.querySelectorAll('.ap12-item');var allOpen=Array.from(all).every(function(i){return i.style.display==='block';});document.getElementById('ap12-expand-top').style.display=allOpen?'none':'inline-block';document.getElementById('ap12-collapse-top').style.display=allOpen?'inline-block':'none';document.getElementById('ap12-expand-bottom').style.display=allOpen?'none':'inline-block';document.getElementById('ap12-collapse-bottom').style.display=allOpen?'inline-block':'none';" onkeydown="if(event.key==='Enter'\|\|event.key===' '){this.click();event.preventDefault();}" style="display:flex;align-items:center;justify-content:space-between;padding:18px 20px;cursor:pointer;gap:16px;width:100%;background:none;border:none;text-align:left;"> <h3 style="font-size:12px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:#1a1a1a;margin:0;">AprilAire Quality</h3> <span class="ap12-arrow" aria-hidden="true" title="Click to expand" style="font-size:14px;color:#555;min-width:16px;text-align:center;cursor:pointer;">⌃</span> </button> <div class="ap12-item" id="ap12-body-5" aria-hidden="true" style="display:none;padding:4px 20px 24px 20px;"> <p style="font-size:14px;color:#444;line-height:1.7;margin-bottom:16px;padding-top:14px;">This AprilAire 501 replacement filter is designed and manufactured to optimize the performance of your AprilAire 5000 Electronic Air Purifier.</p> <ul style="list-style:disc;display:grid;gap:8px;margin-top:8px;padding-left:20px;"> <li style="font-size:14px;color:#444;line-height:1.6;">Designed and manufactured in Wisconsin, USA by AprilAire</li> <li style="font-size:14px;color:#444;line-height:1.6;">Annual replacement recommended for optimal HVAC protection</li> <li style="font-size:14px;color:#444;line-height:1.6;">Engineered exclusively for the AprilAire 5000 Electronic Air Purifier</li> </ul> <span style="display:inline-block;margin-top:14px;padding:6px 14px;background:#f0f0f0;border:1.5px solid #e0e0e0;border-radius:3px;font-size:12px;font-weight:700;letter-spacing:0.05em;color:#2e9e4f;">Made in Wisconsin, USA</span> </div> </section> </div> <!-- BOTTOM CONTROLS --> <div style="display:flex;gap:8px;padding:12px 0;width:100%;" role="group" aria-label="Accordion controls"> <span style="flex:1;"></span> <button id="ap12-expand-bottom" aria-label="Expand all sections" onclick="document.querySelectorAll('.ap12-item').forEach(function(i){i.style.display='block';i.setAttribute('aria-hidden','false');});document.querySelectorAll('.ap12-arrow').forEach(function(a){a.innerHTML='⌄';});document.querySelectorAll('.ap12-header').forEach(function(h){h.setAttribute('aria-expanded','true');});document.getElementById('ap12-expand-top').style.display='none';document.getElementById('ap12-collapse-top').style.display='inline-block';document.getElementById('ap12-expand-bottom').style.display='none';document.getElementById('ap12-collapse-bottom').style.display='inline-block';" style="font-size:11px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;padding:7px 14px;border:1.5px solid #e0e0e0;border-radius:3px;cursor:pointer;background:#fff;color:#555;">Expand All</button> <button id="ap12-collapse-bottom" aria-label="Collapse all sections" onclick="document.querySelectorAll('.ap12-item').forEach(function(i){i.style.display='none';i.setAttribute('aria-hidden','true');});document.querySelectorAll('.ap12-arrow').forEach(function(a){a.innerHTML='⌃';});document.querySelectorAll('.ap12-header').forEach(function(h){h.setAttribute('aria-expanded','false');});document.getElementById('ap12-expand-top').style.display='inline-block';document.getElementById('ap12-collapse-top').style.display='none';document.getElementById('ap12-expand-bottom').style.display='inline-block';document.getElementById('ap12-collapse-bottom').style.display='none';" style="display:none;font-size:11px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;padding:7px 14px;border:1.5px solid #e0e0e0;border-radius:3px;cursor:pointer;background:#fff;color:#555;">Collapse All</button> </div> <!-- END SECTION -->	AA 501	MERV 10	AA1016266	17x28x7.47 inches	16x25x6

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