Moen 1222HD Commercial Heavy-Duty Brass Shell PosiTemp One-Handle Tub Shower or Shower-Only Faucet Cartridge Replacement Faucet cartridge replacement for Moen One-Handle one-handle PosiTemp tub shower or shower-only faucets Designed to withstand heavy use in commercial and industrial facilities PosiTemp valves consistently maintain water pressure and control temperature Heavy-duty brass construction Engineered for hassle-free installation and removal