Six Specifications Scuba Tank Valve: This paintball fill regulator is available in six configurations, offering a choice between M18*15 Output 800psi M18*15 Output 1800psi M18*15 Output 2200psi 5/8"-18UNF Output 800psi 5/8"-18UNF Output 1800psi 5/8"-18UNF Output 2200psi. The different input thread and output pressure. You can choose the one you need 4500 PSI Valve Scuba Tank Adapter:Built to connect to powerful air sources, this HPA regulator accepts input pressures up to 4500 PSI Output Pressure: 2200psi. Its robust design makes it suitable for use as a scuba tank fill station adapter, safely stepping down pressure from large storage tanks to your device HPA Tank Regulator:For added protection, this high-pressure regulator comes equipped with both 3k and 7.5k burst discs. This safety feature is designed to act as a fail-safe, helping to prevent over-pressurisation in your system when used as a paintball tank adapter or fill valve Common Thread Sizes: Fits most of air tanks with inlet threads M18X1.5-6H, the outlet threads size is G1/2-14, this fill adapter is designed for straightforward compatibility with many scuba, paintball, and PCP air system components, simplifying the connection process for your refill station PCP Fill Valve: Engineered for performance, this regulator aims to provide a high air flow rate with a lightweight design. Its serviceable construction also allows for maintenance, making it a practical, long-term component for your 4500 psi air transfer system, applicable medium with Air/CO2, Weight: 0.3 Kilograms, Manufacturer: Xiamen Subang Technology Co.,Ltd