CARTRIDGE MOEN POSI Repair your leaky faucet with the Danco Replacement Cartridge for Moen Posi-Temp Single-Handle Faucets. Fixing your dripping tub/shower faucet by replacing the cartridge will save water and keep you from buying an entire new faucet. It is designed to be compatible with hot and cold water applications. This replacement cartridge is easy to install and by stopping the leak you can save water energy and money.