RAYAIR SUPPLY 20x25 Air Ranger Replacement Filter Pads 20X25 (3 Pack) FREE SHIPPING Three (3 Changes) fiberglass media pads with activated carbon center per order. Air Ranger Compatible Replacement Media for a 20x25 Filter Frame Replacement filters are 1 1/2" x 2 1/2" smaller then frame size ACTUAL REPLACEMENT PAD SIZE 18.5" x 22.5"