This is new design T-shirt launcher and manual filling. the machine work with compressed air, carbon dioxide or nitrogen gas.
the machine working pressure should be less than 0.6Mpa.( too high gas pressure will damage the rubber pipe and damage the gun.)
the gas charging time will be 1-2 seconds and can finish. after gas charging. please switch off the valve on the gun. and shot directly ( the rubber connection place will has little gas leaking. please note, this is normal)