Filtrete - 18 in. W X 30 in. H X 1 in. D Polypropylene 1000 MPR Pleated Allergen Air Filter 1 pk

Engineered for whole‑home air filtration, this pleated allergen filter helps capture a broad mix of airborne particles as air cycles through your heating and cooling system, contributing to a cleaner, fresher indoor environment when replaced on a regular three‑month schedule. The electrostatically charged polypropylene media with a 1000 MPR (about MERV 11) performance level is designed to trap fine contaminants.