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).

Manufacturer: Filtrete

Manufacturer part number: AL42-4

$14.99

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Filtrete AL42-4 3M Filtrete MPR 1000, 12 X 30 X 1 Inch (PK-4-EA)

$14.99

Qty: