20x20x4, AC Furnace Air Filter, MPR 1000 DP, Micro Allergen Defense Deep Pleat, 2-Pack (actual dimensions 19.88 x 19.88 x 4.31)

Outperforms fiberglass, is washable and non-electrostatic, and offers 3-month pleated 1-inch home air filters for your furnace, air conditioner, or HVAC system. Built with exclusive 3-in-1 technology from 3M to trap unwanted airborne particles while allowing cleaner air to flow through. Attracts and captures particles such as lint, pollen, dust, pet dander, smoke, and smog. With a 1000 MPR rating, it delivers MERV 11 performance. The higher the MPR, the more microparticlessuch as pollen, pet dander, smoke, bacteria, and virusesyour filter will capture from the air passing through it.

Find your size: MPR 1000, MPR 1200, and MPR 1550 are available in 4-inch, 4-inch slim fit, and 5-inch thick air filters. For optimal performance of your heating and cooling system or HVAC system, replace your home air filter at least every 90 days for 1-inch filters, and at least every 12 months for 4-inch and 5-inch filters