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. 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: Featuring widely used M18 * 1.5 and 5/8"-18UNF thread types, 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: 2.20462262 Pounds, Manufacturer: Xiamen Subang Technology Co.,Ltd