For the average paintball marker, serves as both a way to attach the tank to the ‘Gun, and as a sort of automatic on-off valve. Besides that, it must safely contain pressures up to 1800 psi, in the case of standard Co2 tanks.
Umarex CO₂ capsules are distinguished by constant high pressure and uniform quality. The constant pressure ensures that each shot is the same as the previous one. The thread is free of burrs that could damage the seals in the gun.
These tanks are very light weight with their 1.2 Liter tank weighing only at 1.52 pounds making the new Safer paintball tank one of the lightest on the market.
If you want to connect two hoses with each other you may require the Air Line Connector. This adaptor has two female hand-tight connections on the both sides.