Filtrete 20x25x4 AprilAire HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters

EASY TO INSTALL: No more aligning filter with top and bottom rails. Just unpack filter, insert into the designated opening and close the door MOST TRUSTED: Filtrete Brand is North Americas most trusted brand of HVAC Filters, based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters PARTICLE CAPTURE: Filtrete MPR 1000 filter captures 2X more small particles than MERV 11 requirments. Microscopic particles are 0.3-1.0 microns in size EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly and helps capture dust, lint and other allergens in your household air FILTER MEASUREMENTS: This air filters nominal size is 20 in x 25 in x 4 in. and exact dimensions are: 20 3/8" x 25 3/16" x 3 3/4" OR 20.38" x 25.19" x 3.75" CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your 4-inch filter at least once every 12 months SMART APP: Use the Filtrete Smart App (iOS or Android) to set 90-, 180- or 365-day reminders to change your air filter