【Application】: Fill station refill charging adapter for paintball is connected to the SCBA (fire fighting) tank using tight CGA347 nuts and threaded joints. 【Specification】：With 45mm diameter glycerine filling gauge, 0~ 40mpa, max pressure 6000psi fill station designed for paintball HPA tank, or an air rifle from a SCBA (fire fighting) tank. 【Knob type exhaust valve design】：With knob type exhaust valve make the air outlet smoothly, which is safe to use operate and durable to use. 【Easy to read】：CGA347 female thread with valve gauge, paintball charging adapter inflators are easy to read pressure gauge ensure the convenience and reliability. 【Easy to operate】: Easy to install and use. The paintball charging adapter is connected to the SCBA (fire fighting) tank using tight CGA347 nuts and threaded joints. Adapter Connector Specification: CGA320