Filtrete™ Allergen Defense Filter AD20-2PK-1E, 12 in x 24 in x 1 in (30.4 cm x 60.9 cm x 2.5 cm) ,

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).