24x24x1 AC Furnace Air Filter, MERV 11, Micro Allergen Defense, 6 Pack

Transform your central heating and cooling system into a whole-home air filtration operation with a Filtrete Allergen Defense Air Filter. This filter captures particles of varying sizes, from lint, pollen, dust, and pet dander to smoke and smog. It 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, this filter traps unwanted air particles while allowing cleaner air to flow through. It attracts and captures particles such as lint, pollen, dust, pet dander, smoke, and smog. With a rating of MERV 11 and 1000 MPR, the filter will capture microparticles like pollen, pet dander, smoke, bacteria, and viruses from the air passing through it.

Find your size: MPR 1000, MPR 1200, and MPR 1550 are available in 4 in., 4 in. slim fit, and 5 in. thick air filters. For optimal performance of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters, and at least every 12 months for 4 in. and 5 in. filters. A dirty filter will slow down air flow and make the system work harder, wasting energy. Sign up for a filter change reminder program to help you keep track.

For residential use only, create a change countdown in the Filtrete Smart app. Simply use the app to scan the barcode on your filter’s packaging, then choose 30, 60, or 90 days for your replacement countdown. When the lifespan is up, you’ll get a notification to change your filter.

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