Home Slickdeals Home Depot Arm & Hammer 20 in. x 25 in. x... Slickdeals Home Depot Arm & Hammer 20 in. x 25 in. x 1 in. (16 sizes listed) Enhanced Allergen and Odor Control FPR 6 Air Filter (4-Pack) $20 & more Free Shipping 1-25-18 only By ARCOM - 25 January 2018 159 0 SHARE Facebook Twitter Go to the deal page: Home Depot Arm & Hammer 20 in. x 25 in. x 1 in. (16 sizes listed) Enhanced Allergen and Odor Control FPR 6 Air Filter (4-Pack) $20 & more Free Shipping 1-25-18 only