**TUXING 3L 4500psi Carbon Fiber Air Tank (Empty) for Paintball, Scuba & PCP Air Rifles | Dual Pressure Gauges, 24" High-Pressure Hose, M18x1.5 Thread | Portable Filling Station for Outdoor & Sports**

Product application: charging gas, emergency breathing apparatus, fire breathing apparatus, underwater breathing apparatus, ship life-saving, clean energy, snorkel diving breathing, PCP gun and paintball filling, medical care and mine emergency, etc. Widely used for fire fighting, chemical industry , shipping, laboratory, mine, pertroleum, warehouse, factory and metallurgy, it can be used in various positive pressure breathing apparatus.Product specification: 3L / 30 Cu.Ft capacity, 20-30 MPa / 3000-4500 PSI working pressure, CE approved (not DOT approved), M18x1.5 cylinder thread size. Product structure: using high quality raw materials AL6061 aluminum alloy liner with fully wrapped carbon fiber and glass fiber winding, external surface treatment is epoxy coated, high strength provides creep resistance, impact resistance and corrosion resistance.Product safety performance test: one of the safety tests is hydrostatic test pressure, which can reach 50 MPa for carbon fiber cylinders. The other is the minimum burst pressure, which can reach 102Mpa for carbon fiber cylinders, can hold more gas under the same volume conditions.