DESCRIPTION:4500psi Tank Valve with Dual High Pressure Gauge, one gauge shows the pressure inside the tank.Constant air valve/air fill station with black color.M18x1.5 male Inlet thread.50cm high pressure charging hose.Tank ON/OFF valve:Comes with safety 6K burst valve.Fit for high pressure cylinder Carbon Fiber Tank with M18 x 1.5 thread.Used as spare parts for PCP.Specifications:Material: Stainless steel+copperQuantity: 1 PcsPipe pressure: TP: 1600bar/WP: 630barInlet working pressure: 20-30mpa / 200-300bar.Package Contents: 1 x adapterNote: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.how it works?:1.Turn off the ON/OFF,2. Turn the release valve clockwise to the lowest point,3. Install it into your bottle,then you can connect the 8mm femal quick plug to your other equipment,4.Turn on the ON/OFF to use it,5.When you stop using it, turn off the ON/OFF first and turn on the release valve counterclockwise to deflate,After the deflation is complete, you can remove your device.