RAYAIR SUPPLY 16x20 Air Ranger Replacement Filter Pads 16X20 (3 Pack) White FREE SHIPPING Three (3 Changes) fiberglass media pads with activated carbon center per order. Air Ranger Compatible Replacement Media for a 16x20 Filter Frame Replacement filters are 1 1/2" x 2 1/2" smaller then frame size ACTUAL REPLACEMENT PAD SIZE 14.5" x 17.5"