Home Slickdeals 4-Pack Arm & Hammer Enhanced Allergen and Odor Control FPR 6 Air... Slickdeals 4-Pack Arm & Hammer Enhanced Allergen and Odor Control FPR 6 Air Filter (various sizes) $19.99 + Free Shipping via Home Depot By ARCOM - 31 March 2020 128 0 SHARE Facebook Twitter Go to the deal page: 4-Pack Arm & Hammer Enhanced Allergen and Odor Control FPR 6 Air Filter (various sizes) $19.99 + Free Shipping via Home Depot