This sale is a pack of 5 carbon dioxide (CO2) gas bulbs for use with a Cornelius keg gas injector. Please note that these cartriges will not fit the normal S30 type bulb injectors....for those you need my 8g bulb packs.  They do not have a threaded cap. Their dimensions are: 22mm diameter, 8.5mm diameter of neck and 89mm maximum length.  If it any doubt please contact me before purchase. They also have other uses.

Please note: These items are not able to be sent by airmail due to restrictions imposed by the postal service.  These items can only be purchased for delivery in England and Wales. For buyers in Scotland or Ireland please contact me via the messages tab for delivery options.

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