Product Capacity: 0.7 liters / 42 cubic inch capacity, Product Neck Thread: M18x1.5-6H thread. Product Pressure: 30mpa / 300bar / 4500psi working pressure, 50Mpa hydrostatic test pressure, 102Mpa minimum burst pressure Product Certification: CE / EN approved (Not DOT), Inspection cycle: 3Yr, Service life: 15Yr. Product Material: Imported AL6061 aluminum alloy liner, carbon fiber and glass fiber winding bottle body. Product Application: Loading gas, Emergency escape, Fire breathing, Underwater breathing, Lifesaving of ships, Clean energy, Snorkeling diving breathing, PCP rifle and Paintball filling, Medical care and Mine emergency etc. Widely for fire-fighting, chemical industry, shipping, laboratory, mine, pertroleum, warehouse, factory and metallurgy, it can be used in various positive pressure breathing apparatus. Product Application: Loading gas, Emergency escape, Fire breathing, Underwater breathing, Lifesaving of ships, Clean energy, Snorkeling diving breathing, PCP rifle and Paintball filling, Medical care and Mine emergency etc. Widely for fire-fighting, chemical industry, shipping, laboratory, mine, pertroleum, warehouse, factory and metallurgy, it can be used in various positive pressure breathing apparatus.