4500psi Aluminum Air Bottle SAFE AND RELIABLE:Aluminum gas cylinder is filament wound seamless design, Sealing ring groove design safety seal, Stable performance, high safety factor. APPLICATION:Compressed air aluminum tank applied to PCP Paintball airguns, Scuba, SCBA, Firefighting, Rescue etc. LIGHTWEIGHT:The paintball tank weighs 0.95KG,Compared to the traditional steel cylinder, exquisite workmanship,easy to carry. DURABLE:Using high-quality raw materials AL6061 aluminum alloy liner with full-wrapped carbon fiber and glass fiber winding outer coating, external surface treatment is epoxy coated.Excellent compressive wear resistance. SERVICE GUARANTEE:We pays attention to your experience.If you have any questions about high pressure gas cylinder, please get in touch with us, we will solve your problem as soon as possible.