iDescription These high quality Bisley 88g CO2 Chargers are to be used for a wide range of co2 powered tools and equipment. The 88g canisters are made from thick steel with a threaded end to fit all standard 88g threaded connectors. Dimensions/Details: Length: 176mm Width: 35.2mm Neck Length: 24.3mm Neck Width: 16mm Thread: M16 x 1.5 Filling Pressure: 8Mpa (approx 60bar/900psi) Disposable (NOT re-fillable) cartridge. Do not use as a food ingredient. This CO2 cartridge is not designed for carbonating liquids for human consumption. We sell small soda syphon cartridges for this purpose. Warning - NEVER unscrew before checking it is empty!! Also note the cartridge freezes when in use.