The Pentek WB-SS Mounting Bracket Kit isﾠdesigned for use withﾠPentek / Ametek / American Plumber Big Blue or Heavy Duty housings. Includes bracket and screws. Bracket is made of durable zinc-plated carbon steel. The WBSS can be used with the following Pentek Big Blue filter housings: 10" Big Blue Filter Housings:150237, 150238, 150239, 150240, 150469, 166219. 20" Big Blue Filter Housings: 150233,ﾠ150234, 150235, 150236, 150467.ﾠ This bracket is also knownﾠas part numbers 244718 and FH-244718.