Danco, Inc. 15700B 9C-23H/C Stem, for Use with American Standard Model C-23H/C Faucets, Metal, Brass Brass construction provides strength and durability to ensure longevity. This stem is perfect for hot and cold water applications by American Standard tub/shower and the Colony Line C-101 to C-333, with a length 9 ID and C broach. This stem includes a faucet seat for ease. This stem complies with the Reduction of Lead in Drinking Water Act. A great tool to use when repairing your leaky faucet.