Filtrete Micro Allergen Defense Deep Pleat AC Furnace Air Filter, MPR 1000, 20-Inch x 25-Inch x 4-Inch (4-3/8-Inch Depth), 4-Pack
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<b>[Product Information]</b><br>
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<li>Actual Filter Size: 19 15/16 24 5/8 x 4 3/8 Inches</li>
<li>Filtrete Allergen Defense air filters turn your central heating and cooling system into a whole house air cleaner. Featuring electro-static technology, these filters reduce airborne allergens such as household dust, lint, dust-mite debris, mold spores, pollen, pet dander and smog. For best results, change your filter every 6 to 12 months.</li>
<li>Filtrete 4" and 5 " filters help maintain airflow in heating and cooling systems, which helps prevent stress on the system and reduces the amount of energy needed to reach desired indoor air temperatures.</li>
<li>Replaces Honeywell, Aprilaire, SpaceGard(R),  and Day and Night brand filters.  Can replace 20 x 25 x 5 inch filters with the same actual size.  It is recommended you measure your current filter or filter slot to determine exact actual size needed for your system.</li>
<li>Designed with Filtrete Brand 3-in-1 technology from 3M to pull in and trap unwanted air particles while letting clean air flow through</li>
<li>Microparticle Performance Rating 1000</li>
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