Repair your leaky faucet with the Ace AM-11 Cartridge for American Standard Single-Lever Faucets. Replacing a faucet cartridge is an economical alternative to replacing the entire faucet fixture and a dripping faucet wastes both water and energy. The installation of a cartridge will stop the drip and return your faucet to like new condition. Fits American Standard OEM# 23529-70AFor hot and cold water applicationsFor use with single handle faucetsComplies with the reduction of lead in drinking water act