1Knob type exhaust valve, the air outlet is very smooth. 2It is connected to the SCBA (fire fighting) tank using tight CGA347 nuts and threaded joints. 3The 45mm diameter glycerine filling gauge, reading 0~ 40mpa, 0~6000 PSI, indicates that it is very suitable for outdoor use. 46000psi fill station designed for filling a paintball HPA tank, or an air rifle from a SCBA (fire fighting) tank. 5The hand tight CGA347 nut and nipple for connecting with SCBA(Fire fighting) tank.Features: 1. Knob type exhaust valve, the air outlet is very smooth. 2. It is connected to the SCBA (fire fighting) tank using tight CGA347 nuts and threaded joints. 3. The 45mm diameter glycerine filling gauge, reading 0~ 40mpa, 0~6000 PSI, indicates that it is very suitable for outdoor use. 4. 6000psi fill station designed for filling a paintball HPA tank, or an air rifle from a SCBA (fire fighting) tank. 5. The hand tight CGA347 nut and nipple for connecting with SCBA(Fire fighting) tank. 6. 24 inch long x 0.070 inch ID(DN2) micro-bore hose. Specification: Material: Sainless Steel Color: Silver Whole Length: Approx. 70cm/27.6inAdapter Connector Specification: cga320Weight: Approx. 560g Package list: 1 x Charging Adapter with Hand Tight CGA 347 Connector