Air Filter, Filtrete, Allergen Defense, 20 in L, 20 in W, 11 MERV, 1000 MPR, Polypropylene Frame

Filtrete™ electrostatic air filter attracts and captures microscopic allergens like dust, smoke and smog particles and large allergens like mold spores and pollen. For residential use only.

• 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 micro particles such as pollen, pet dander, smoke, bacteria and viruses, your filter will capture from the air passing through it
• A dirty filter will slow down air flow and make the system work harder to keep you warm or cool, wasting energy, sign-up for a filter change reminder program that works for you