Filtrete 20x25x4 Air Filters, MERV 11, Allergen Defense, 4-Pack

Filtrete 20x25x4 MPR 1000 Air Filter, manufactured by 3M, helps capture unwanted particles from your household air, contributing to a cleaner, fresher home environment. Designed with exclusive Filtrete 3-in-1 technology, including an MPR 1000 and MERV 11 rating, your AC filter will help pull and capture countless microparticles – such as pet dander, smoke, and smog – while allowing cleaner air to flow through.

Your Filtrete Filter will also capture large particles, including lint, pollen, mold spores, and household dust. Use a 12-month deep-pleated 4-inch home HVAC filter in your furnace, air conditioner, or HVAC system. Four filters come in a pack, so you can keep some as backup or use them in multiple areas.

For optimal performance of your heating and cooling system or HVAC system, change your 4-inch furnace filter at least every 12 months. Based on the 2022 Ipsos US Brand Health Study of Residential HVAC Air Filters, Filtrete is the trusted choice for making your home your sanctuary.

The 4-pack of 12-month pleated 4" Filtrete 20x25x4 MPR 1000 AC Furnace Air Filter helps capture unwanted particles from your household air, contributing to a cleaner, fresher home environment. Slightly different from the nominal size, the air filter's exact dimensions are 19.88 x 24.63 x 4.31.

Designed with exclusive Filtrete 3-in-1 technology, the filter pulls in and traps unwanted particles, allowing cleaner air to flow through. With a 1000 MPR and MERV 11 rating, your Filtrete Filter will help capture many microparticles and large particles from the air passing through it.

The air filters are compatible with Honeywell furnaces calling for a 4" filter and Lennox furnaces calling for a 5" filter, making them versatile for various HVAC systems. To maintain optimal performance, it's important to change your 4-inch filter at least once every 12 months.

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