20x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6 Pack (Actual Size 19.69 x 24.69 x 0.81 in)

DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 19.69 x 24.69 x 0.81 EXCLUSIVE TECHNOLOGY: Designed with exclusive 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through COUNTLESS PARTICLES: With a 1000 MPR and MERV 11 rating, your air filter will help capture many microparticles from the air passing through itYou may also like 110 Replacement Filter for Whole House Air Purifiers - MERV 11, Clean Air & Dust, 16x20x4 Air Filter (Pack of 1).