The California Faucets Tiburon StyleTherm Trim with Dual Volume Control is made from premium materials, this Item offers great function and value for your home. This fixture is part of California Faucet's decorative collection, so make sure to check out other styles of fixtures to accessorize your room. All brass construction Engraved brass temperature ring 100 degree Fahrenheit safety stop button with manual override Dual integral volume control 7 7/8" by 5 7/8" rectangular faceplate Tub spout flow rate: 10 GPM (37.9 L/m) max Use rough valve THT52-R or THT52D2-R Codes/Standards Applicable ASME A112.18.1-2005/CSA B125.1-05 ASSE 1016