SODA CO2 REFILL ADAPTER Description: This easy to use Soda Cylinder Filling Adaptor will enable you to fill your own CO2 from your larger bulk cylinder into smaller Soda cylinders. An easy and inexpensive way to fill your own Soda Cylinders at home at a fraction of the cost of getting the refills from your local store. Packing: 1 x CO2 Refill Adapter 3 x Gasket Operating Instructions: 1. Screw the adapter onto the commercial carbon dioxide cylinder 2. Screw CO2 of air cylinder into adapter 3. Open the atmospheric bottle valve 4. After about 15 to 20 seconds, the cylinder is full 5. Close the atmospheric bottle valve 6. Open the vent screw to discharge the residual gas. 7. Remove the carbon dioxide produced by the cartridge