Box of 10 - 16g food grade CO2 cartridges, use in uKeg 128 growlers. These are standard size push in non threaded type. The other common cartridges are screw type or threaded. Some kegs can use either. Check with your keg to be sure which you need. Be sure your cartridges are Food-Grade.
The uKeg uses this type (non-threaded)
8 oz uKeg 64
16 grams uKeg 128
The uKeg64 only accepts a 8 gram unthreaded sized cartridge, and the uKeg only accepts the 16 gram unthreaded size cartridges.
These cartridges may be used in other dispensers that accepts the standard unthreaded cartridges.
(Co2 Canisters cannot be shipped internationally)