Features:_x000D_ 1. Suitable for all kinds of liquids and gases._x000D_ 2. Made of high quality brass, resistant to oil and corrosion._x000D_ 3. Used to check the control valve to prevent water, gas, oil backflow._x000D_ 4. Can discharge sewage and gas, environmentally friendly and durable._x000D_ 5. Excellent replacement for the old or broken check valve._x000D_ _x000D_ Specification:_x000D_ Condition: 100% Brand New_x000D_ Item Type: Check Valve_x000D_ Material: Brass_x000D_ Model: G1/2", G3/4", G1'' (optional)_x000D_ Air pressure of Normal Temperature Water and Oil: 200WOG_x000D_ Temperature: -10~120C_x000D_ _x000D_ Package List:_x000D_ 1 * Check Valve_x000D_ _x000D_ Note:_x000D_ 1. Please allow slight error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.