Home Depot Arm & Hammer Air Filters in 16 sizes ex. 20 in. x 25 in. x 1 in. Odor Allergen and Pet Dander Control Air Filter (12-Pack) $55 Free Shipping 2-15-18 only By admin | February 15, 2018 11:57 am EST 0 Comment Main Page Home Depot Arm & Hammer Air Filters in 16 sizes ex. 20 in. x 25 in. x 1 in. Odor Allergen and Pet Dander Control Air Filter (12-Pack) $55 Free Shipping 2-15-18 only