1. This valve has high temperature resistance, anti-rust, reliable sealing.2. The exhaust mechanism is very reliable and the individual components are cast with high precision.3. The thread size is standard 1/2 inch, easy to install.4. This quick exhaust air control valve is an excellent replacement for the broken one.5. Made of high quality brass material, corrosion resistant, durable.Condition: 100% brand newItem Type: Air Vent ValvePressure: Normal pressureWorking temperature: Normal temperatureForm: Diaphragm typeFlow direction: One directionMedium: AirDrive mode: AutomaticModel: DN15 1/2 inchColor: yellowMaterial: brassSize: 1/2 inchPackage contents: 1 x Air Vent ValveOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm.