12g CO2 Cartridge, End Shaft, Propeller Shaft manufacturer / supplier in China, offering Disposable Steel CO2 Cylinders 33G Gas Tanks for Inflatable Life Vest Replacement Cartridge, Disposable Thread 33 Gram CO2 Capsules for Life Jacket 17g 24G 33G 55g 60g CO2 Gas Bottles Cylinder Rearm Kit for Life Jacket, CO2 Cartridge 33G 16g 17g 24G 1/2 Threaded for Life Jacket and so on.