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 Diameter glycerin filled 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.
this only fits the latest CGA347 fittings