1.[APPLY]: The paintball Fill Station aapter is compatible with the stanar K, J, an H valves. You can ly fill the compresse air in the scuba tanks with PCP air paintball, an HPA tanks. 2.[CONFIGURATION]:The Yoke Fill Station length 24-inch, use an 8mm stanar female quick-isconnect coupling plug. Components are meticulous in workmanship, , an stable in use. High harness an strong corrosion resistance, Mae of high-quality aluminum an stainless steel. est ouble O-rings esign for longer life. 3.[CREATIVE ESIGN]:The traitional screw pressure relief metho has been change, an a more avance pressure relief metho has been aopte, which is r an more portable. After closing the valve, you only nee to press lightly to complete the air release. 4.[SAFELY]:HPA Tank Filling Aapter's working pressure up to 4500 psi, Max up show value to 6000 psi.But we on't recommen that you use too high a pressure value.You can use it for PCP rifle, fire-fighting, snorkeling ive system, scuba shop, an Paintball tanks filling, etc.