This is a high pressure pcp coupling made of stainless steel with a one-way valve. 100% brand new and high quality, not easy to corrode, long service life. The application is very wide, suitable for PCP air guns, paintball cans, SCBA cans filling, etc.

It can withstand a pressure of 4500psi. When you want to fill your water tank, but do not find a suitable filling adapter to connect, then this connector can be used to connect the gas cylinder and the water tank for inflation. It can realize the transfer of gas from the atmospheric cylinder to the small gas cylinder, from the gas cylinder to the pcp air gun, etc.

It is easy to use, simple to connect, 1/8bsp thread size, can fit most high-pressure pumps, and is equipped with O-rings to increase air tightness. It can also be used to modify some damaged pumps.