Filtrete 20x25x4 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Lennox & Honeywell, Allergen, Bacteria & Virus, , Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31)

DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 19.88 x 24.63 x 4.31 DESIGNED TO FIT: Honeywell and AprilAire Space-Gard brand media air cleaners MAKE YOUR HOME YOUR SANCTUARY: 4-pack of 12-month Filtrete 20x25x4 MPR 1550 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through COUNTLESS MICROPARTICLES: With a 1550 MPR and MERV 12 rating, your Filtrete Filter will help capture 50% of small particles from the air passing through it.(1) VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your 4-inch filter at least once every 12 months SUBSCRIBE AND SAVE: On your first order, simply click on "Subscribe and Save" to set up your delivery schedule and save up to 10% on your orders