Filtrete 20x25x4, AC Furnace Air Filter, MPR 1000 DP, Micro Allergen Defense Deep Pleat, 1 Pack (actual dimensions 19.88 x 24.63 x 4.31) SHIPPING DAMAGE MAKE YOUR HOME YOUR SANCTUARY: 12-month pleated 4? Filtrete 20x25x4 MPR 1000 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 19.88 x 24.63 x 4.31 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 1000 MPR and MERV 11 rating, your Filtrete Filter will help capture many microparticles and large particles from the air passing through it VERSATILE USES: Air filters compatible with Honeywell furnaces calling for a 4" filter and Lennox furnaces calling for a 5" filter CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your 4-inch filter at least once every 12 months Item Shipped within 24hrs. with tracking Check compatibility before ordering Any questions please send Message Thanks for shopping Peddle Collectibles