1、Applicable Model: The tub shower cartridge kit is for Moen One Handle Posi Temp Faucets, for Moen 1222 1222b Cartridge. Please confirm whether it is consistent with the product you want before buying to avoid unnecessary return. 2、Leakage Proof: The replacement cartridge is designed to prevent leakage, ensuring smoother and seamless use of your bathtub shower. Enjoy a worry free bath experience. 3、Sturdy Material: Made of high strength ABS and copper, the tub shower replacement cartridge is resistant to rust and oxidation, suitable for long term reliable use. 4、Easy Installation: The faucet replacement cartridge is designed for easy replacement and installation without complicated tools, time and effort saving. 5、High Performance: The bathtub shower valve cartridge boasts high performance when it comes to maintaining the functionality of your tub or shower. It ensures consistent water pressure and regulates waterflow effectively.