Filtrete 14X20X1 Ac Furnace Air Filter, Merv, Actual Size 13.81X19.81X0.78 In Filtrete 14x20x1 MPR 1500 Air Filter, made by 3M, helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment. Designed with exclusive Filtrete 3-in-1 technology, including a high MPR 1500 and MERV 12 rating, your AC filter will help pull and capture countless microparticles ? such as pet dander, smoke, bacteria and up to 54% of virus airborne particles (1) ? while letting cleaner air flow through. Your Filtrete Filter will also capture large particles, including lint, pollen and household dust. This filter is also CERTIFIED asthma and allergy-friendly (2). Use a 3-month pleated 1-inch home HVAC filter in your furnace, air conditioner or HVAC system. For optimal performance of your heating and cooling system or HVAC system, change your furnace filter at least every 90 days. (1) Based on airborne MS2 virus testing. Initial efficiency. (2) As outlined in report ASCR: 1246-01. (3) Based on the 2022 Ipsos US Brand Health Study of Residential HVAC Air Filters. MAKE YOUR HOME YOUR SANCTUARY: 2-pack of 3-month pleated 1? Filtrete 14x20x1 MPR 1500 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter?s exact dimensions are 19.81 x 13.81 x 0.81 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 1500 MPR and MERV 12 rating, as well as a 54% small particle capture rate (1), your Filtrete Filter will help capture many microparticles from the air passing through it CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air VERSATILE USES: Works for changing any air filter in your furnace, air conditioner/heating system or HVAC system; for optimal performance, change your filter at least once every 90 days 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