[Water Volume]Built-in spherical valve core, large diameter water outlet, adjustable water volume, fast water outlet when fully open, slow water outlet when half open, no dripping or leakage when fully closed, universal for hot and cold. [Use]All-copper large- water heater ball core valve, suitable for water control valves in bathroom, kitchen, and restaurant pipelines [Material] All copper, brass casting valve body, multi-layer material, full of materials, rust-proof and explosion-proof, water-tight, brushed , scratch- and wear- [Size]Internationally applicable, 1/2 inch interface diameter is about 0.78inch / 20MM, interface standard international thread specification G12, stable installation without slipping, no need to worry about adaptation issues, suitable for most household water outlets, Weight: 0.34833037396 pounds, Manufacturer: Xnuiasqe