About this item Pressure-Balancing Valve Body and Cartridge Kit: Shower system valve body kit with 1/2" universal NPT and direct sweat inlets and outlets provides 5 GPM (18.9 LPM) and a maximum flow rate of 45 psi Single Lever Valve Kit for Shower Faucet Set: Single lever design provides temperature regulation and anti-scald protection, cycling from off through cold to hot; features adjustable high temperature limit stop to control maximum water temperature Easy Install Brass Shower Valve: Shower valve body is made from forged dezincification resistant brass, providing long term reliability; reversible cartridge design with symmetrical valve inlets simplifies standard, back-to-back or thin wall installation Additional Hardware for Installation and Use: Shower faucet valve body requires valve shower trim kit (sold separately) to complete installation; choose a Kohler shower trim kit to complement your shower valve ASME and ASSE Shower Valve Body Kit: KOHLER shower heads and shower system valve kits are ASME A112.18.1/CSA B125.1 and ASSE 1016/ASME A112.1016/CSA B125.16 compliant