Filtrete Allergen Defense Air Filter, 16 x 20

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). Opt for this filter to transform your central heating and cooling system into a whole-home air filtration operation. Designed with exclusive Filtreteâ„ Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through.