The Replacement Stem and Bonnet Assembly from Phoenix Faucets by Valterra are service parts compatible with Phoenix faucets. This product is sold separately or with the Phoenix Faucet Service Parts Kit PF287002 and PF287001. It is made with durable brass construction for long-lasting use. These parts are generally used for wall-mount tubs/showers, Lav faucets, and garden tub faucets. Available for both knob and lever style handles.