Features Sliding column structure supports good sealing and sensitive response. And the valve is easy to use. The inner hole is processed by a special process with low friction resistance, which is practical. Multi-location installation, this valve is easy to install and use, which is made after many inspections before leaving the factory. Improved for more durability, such air valve is built to strict quality control standards. Made of aluminum alloy material, the mechanical valve supports guaranteed quality. Specification:Item Type: Valve Material: Aluminum alloy Connection Form: Thread Nominal Diameter: 8mm Applicable Medium: Air Pressure Environment: Atmospheric pressure Working Temperature: Normal Temperature Form: Diaphragm Type (Channel Position): Pilot Drive Mode: Electromagnetic, electronic Uses: Commutation Pattern: 4A110-06 G1/8 Inch / 4A210-08 G1/4 Inch / 4A310-10 G3/8 Inch / 4A410-15 G1/2 Inch(optional) Package List:1 x Valve  Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List 1 x Valve