Usage Tips:Brass Automatic One Way Air Vent Valve G1/2" Male Thread Air Vent Exhaust Valve 1This valve features high temperature resistance, rust protection, reliably sealing. 2The exhaust mechanism is very reliable and the individual components are cast with high accuracy. 3The thread size is standard 1/2in, easy to install. 4This quick exhaust air control valve is great replacement of the broken one. 5Made of brass material, corrosion resistant, durable. Features: 1. This valve features high temperature resistance, rust protection, reliably sealing. 2. The exhaust mechanism is very reliable and the individual components are cast with high accuracy. 3. The thread size is standard 1/2in, easy to install. 4. This quick exhaust air control valve is great replacement of the broken one. 5. Made of brass material, corrosion resistant, durable. Specification: Condition: Item Type: Air Vent Valve Material: Brass Model: G1/2" Pressure: Normal Pressure Working Temperature: Normal Temperature Form: Diaphragm Type Flow Direction: One Direction Medium: Air Drive Mode: Automatic Package List: 1 * Air Vent Valve Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 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.