GURLLEU Gas cylinders - GURLLEU produces portable gas cylinders through advanced technology. Compared with conventional respirators, we use aluminium or aluminium composite cylinders instead of steel ones, with weight reduction of 40%-70%, so they are more preferable for people with breathing problems. Charging System Set - 3 liter / 30 cubic feet capacity cylinder - Integrated valve gauge for input / output - High pressure filling hose with Foster quick disconnect Fill Station Assembly Easy to installation and operation Bottle Neck Standard M18*1.5-6H threaded Bottle Surface Smooth outer surface Charging System Set Fill Station Assembly Bottle Neck Bottle Surface Pressure Service - Working Pressure: 30 Mpa / 4500 PSI - Water Testing Pressure: 50 Mpa / 7500 PSI - Burst Testing Pressure: 102 Mpa / 15300 PSI Cylinder Structure - Featured Imported AL-6061 lining - Seamless design of filament winding - Full-wrapped of carbon fiber and glass fiber Valve Structure - High pressure gas cylinder valve in line with standard. - Exquisite workmanship - Military quality, safe and reliable Standard - CE and EN Standards, but Not DOT. Production Process Advanced normative cyclic production Standard ISO 9001 production process to ensure product quality and safety Main Uses Application - It can be used in 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. - Widely for fire-fighting, chemical industry, shipping, laboratory, mine, pertroleum, warehouse, factory and metallurgy. 48 ci Carbon Fiber Cylinder 48 ci Carbon Fiber Cylinder 3L Carbon Fiber Tank 66 CF DOT Air Cylinder 88 CF DOT Air Cylinder Buying Options Buying Options Add to Cart Buying Options Buying Options Customer Reviews 5.0 out of 5 stars 1 — 4.1 out of 5 stars 24 — — Price — no data — no data $239.00$239.00 — no data — no data