Filtrete 9822DC-6 Micro Allergen Reduction Filter, 30 in L, 20 in W, 11 MERV, 1000 MPR

Opt for a Filtrete allergen defense air filter to transform your central heating and cooling system into a whole-home air filtration operation. This no-nonsense filter helps capture varying sizes of particles, from the large (lint, pollen, dust and pet dander) to the microscopic (smoke and smog).