Repair a worn or leaky faucet with this Master Plumber ceramic cartridge. This third-party component fits the right/cold handle for 8" bathroom sink faucets, as well as Roman tub faucets from Aquadis. Cartridges for left/hot handles are also available. The Master Plumber cartridge has a brass shell that resists wear and corrosion, and its rubber gaskets form a watertight seal within the faucet handle. The ceramic disc mechanism gives users precise control over water flow. In most cases, replacing a faucet cartridge is a simple task, easily accomplished by most do-it-yourself enthusiasts.