Filter Disc, "Bronze", 5/8 O.D. x 1/16, to fit A-dec® Water Filters; Pkg of 5 Fits filter regulator pac air & water assembly (A-dec® #19.0220.01) A-dec® is a registered trademark of A-dec, Inc. DCI has no affiliation with A-dec and A-dec has not authorized DCI replacement parts to be used on or in connection with A-dec® products.