Filtrete - 10 in. W X 20 in. H X 1 in. D 1000 MPR Pleated Allergen Air Filter 1 pk

Sized for smaller residential HVAC returns, this 10 x 20 x 1-inch Filtrete 1000 MPR pleated allergen air filter is built to help clean recirculating air as it passes through your furnace or central air conditioner. Using Filtrete 3‑in‑1 electrostatic technology with a MERV 11 rating, it attracts and captures microscopic particles like pet dander, smoke, and smog.