You are considering A Four (4) Pack of Filtrete 1600 MPR Ultra Allergen Bacteria & Virus Furnace/AC Filters 12x12x1.

• MAKE YOUR HOME YOUR SANCTUARY: 4-pack of 3-month (Last Up To On e Year) pleated Filtrete 12' x 12" x 1" 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 11.81 x 11.81 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.