Filtrete - 17-1/2 in. W X 23-1/2 in. H X 1 in. D 1000 MPR Pleated Air Filter 1 pk

This 17.5x23.5x1 Micro Allergen Defense filter in Filtrete’s 1000 MPR (MERV 11) tier uses electrostatically charged polypropylene media with 3‑in‑1 technology to pull in and trap countless microparticles, including pet dander, smoke, smog, and fine dust, while also capturing larger particles like lint, pollen, household dust, mold spores, and dust‑mite debris as air passes through.