20x25x4 Air Filter, MERV 11, Allergen Defense, 4-Pack

3M's Filtrete 20x25x4 MPR 1000 Air Filter is designed to help create a cleaner and fresher home environment by capturing unwanted particles from the air. Utilizing exclusive Filtrete 3-in-1 technology, including an MPR 1000 and MERV 11 rating, this AC filter is able to pull and trap numerous microparticles such as pet dander, smoke, and smog, while still allowing cleaner air to flow through. In addition, it is effective in capturing larger particles like lint, pollen, mold spores, and household dust.

This 12-month deep-pleated 4-inch home HVAC filter is suitable for use in furnaces, air conditioners, or HVAC systems. The 4-pack offers the convenience of having extra filters on hand for backup or for use in multiple areas. For optimal performance of your heating and cooling system, it is recommended to change your 4-inch furnace filter at least every 12 months.

The Filtrete 20x25x4 MPR 1000 AC Furnace Air Filter is different from the nominal size, with exact dimensions of 19.88 x 24.63 x 4.31 inches. This filter is designed with exclusive Filtrete 3-in-1 technology to effectively capture unwanted particles and promote cleaner air flow. With a 1000 MPR and MERV 11 rating, it is able to capture many microparticles and large particles from the air passing through it.

Compatible with Honeywell furnaces calling for a 4" filter and Lennox furnaces calling for a 5" filter, these air filters offer versatile uses. To ensure optimal performance, it is important to change your 4-inch filter at least once every 12 months. Customers can also enjoy savings of up to 10% on their orders by utilizing the "Subscribe and Save" option for scheduled deliveries.

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