1.Knob type bleed valve,bleeding is very smooth. 2.It is using a tight CGA347 nut and nipple for connecting with SCBA(Fire fighting) tank. 3.45mm gauge that read 0~40 Mpa and 0~6000 PSI gauge clearly,ideal for outdoor use. 4.5000 PSI fill station designed for filling a paintball HPA tank, or an air rifle from a SCBA (fire fighting) tank.
High Pressure 5500psi CGA347 Nut and Nipple Cylinder Connections for Breathing Air for Regulators and Filling Cylinders - Commonly used in SCUBA Filling Systems, Paintball Air Systems, SCBA Fire Breathing Apparatus Filling Systems, Cascade Systems, and any high pressure breathing air application requiring connection to CGA347 Breathing Air Cylinders