Filtrete 16X25X4 Ac Furnace Air Filter, Mpr, Actual Size 15.88 X 24.56 X 4.31 Filtrete 16x25x4 MPR 1550 Air Filter, made by 3M, helps capture unwanted particles and allergens from your household air to contribute to a clean home environment. Designed with exclusive Filtrete 3-in-1 technology, including a high MPR 1550 and MERV 12 rating, your AC filter will help pull and capture countless microparticles ? such as pet dander, smoke and smog ? while letting cleaner air flow through. This air filter captures up to 50% of small particles (1), like bacteria and particles that carry viruses, to help make your air cleaner. Your Filtrete Filter will also capture large particles, including lint, pollen and household dust. Use a 12-month 4-inch home HVAC filter in your compatible furnace, air conditioner or HVAC system. For optimal performance of your HVAC system, change your 4-inch furnace filter at least once per year. Fits systems calling for a filter thickness of 4.31" and larger. Filtrete? Brand is North America?s most trusted brand of HVAC Filters (2). Residential use only. (1) % captured is based on ASHRAE 52.2 testing for 0.3 to 1 micron particles from the air passing through the filter, which relates to HVAC industry standard efficiency testing. (2) Based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter?s exact dimensions are 15.88 x 24.56 x 4.31 DESIGNED TO FIT: Honeywell, TrionAirBear, Bryant, Carrier, and Lennox brand media air cleaners MAKE YOUR HOME YOUR SANCTUARY: 2-pack of 12-month Filtrete 16x25x4 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