The 1/2" Corner Valve is made from premium materials, this Item offers great function and value for your home. This fixture is part of Phylrich's decorative collection, so make sure to check out other fixtures to accessorize your room. 1/2" corner valve Flow Rate: 10 GPM 1/2" ceramic disc Codes/Standards ASME A112.181/CSA B1251 ASME 112.18.2/CSA B125.2 ANSI NSF CEC Watersense 61 Sect. 9, State of MA Low Lead Compliant - Complies with federal and state regulations for lead content