Arm & Hammer 12-Count Air Filter Packs Only $54.45 Shipped (Just $4.54 Each)
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Be sure to browse around as there are tons of different sizes available.
This 12-pack of air filters should last you about three years and will reduce a variety of allergens and odors including pet smells! Plus, the odor-free design helps to trap pollen, dander, dust, smoke and more.