Gurlleu Adapter Aluminum Paintball Charging Review

8mm Foster female quick-disconnect. 4500psi working pressure with 5000psi valve gauge. Compatible with standard Scuba K-Valve, J-Valve and H-Valve. Made of high quality aluminum alloy, which is anti-rust and durable. Air charging system with quick bleed relief valve works with 3000~4500 psi tanks, filling compressed air to your small air tanks / paintball tanks from a larger cylinder.