A compact Acme threaded (Trapezoidal thread form) CO2 cylinder that works perfect for the homebrewer and the sparkling water enthusiast. With this 425g cylinder you should be able to carbonate 60-80L of beer. Needs a trapets/acme threaded adaptor to be coupled to a regulator.The colour of the cylinder is random.

Rubber seal for Trapets Adaptor (type 2.3)