Filtrete 18x20x1 AC Furnace Air Filter MPR 1000 Micro Allergen Defense 4-Pack....
- OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
- DESIGNED WITH EXCLUSIVE Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through
- ATTRACTS AND CAPTURES particles such as lint, pollen, dust, pet dander, smoke and smog
- The higher the MPR, the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it
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