The valve is made of brass, practical and easy to install. Apply to: Hydraulic instability, water flow too fast, water purifiers, solar energy, gas heater and faucet. Features: Reliable and practical. Simple internal structure, fine workmanship. Apply to: Hydraulic instability, water flow too fast, water purifiers, solar energy, gas heater and faucet. The valve is made of brass, practical and easy to install. Suitable for both cold water and hot water. Built-in spring pressure regulator, can manage to adjust the outlet pressure of the water. Specifications: Material: brass Size(approx.): 83 * 64mm / 3.3 * 2.5in Item weight: 320g / 11.3ounce Package size: 100 * 100 * 100mm / 3.9 * 3.9 * 3.9in Package weight: 403g / 14.2ounce Note: Please allow 1-5mm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Package List: 1 * Brass Water Pressure Reducing Valve