Filtrete NADP01-4IN-4 Air Filter, 25 in L, 16 in W, 11 MERV, 1000 MPR, 1/PK - Pack of 4

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).