• Set: CO2 Refill Adapter with 4 pcs Big Gasket and 4 pcs Small Gasket（no pin）, no gas leakage when connected to the cylinder, good sealing performance. This adapter cylinder will enable you to fill CO2 from your larger bulk cylinder into smaller soda cylinders

• Material: We used premium brass material to ensure long life and as well as strong durability under constant usage. After thousands of experiments, we designed this adapter for refilling CO2 into the tank

• Widely Applicable: This CO2 refill adapter can be used with larger CO2 tanks with CGA320 connector (US CGA-320/0.825-14NGO/G1/2-1), The Soda Bottle Adapter works with large CO2 tanks with CGA320 connector or W21.8-14 connector CO2 tank

• Easy Operation: CO2 refill connector kit is very easy to use, the adapter is easy to screw with the empty CO2 gas cylinder. It is durable and wear-resistant, nor falls apart in daily use. The refill adapter is a high-quality, reliable, and rust-free operation

Specification:

• Material: Brass 

• Size: 2.2x2.2x6cm 

How It Works:

• 1. Cool the Soda-Stream Cylinder in the freezer for 1 hour. 

• 2. Screw the adapter to a commercial CO2 gas cylinder. 

• 3. The empty CO2 cylinder is screwed into the adapter. 

• 4. For most big cylinders: turn the big cylinder upside down. (if you can not refill when the CO2 tank is standing, because some of th5. Carefully Open the valve of the large gas bottle(The valve on the Soda-Stream Cylinder closes the flow if it is opened too much. This will happen if you open the big cylinder too much / too fast. The trick is to open the big cylinder very carefully. You will hear the airflow. So to fill it successfully). 

• 6. After about 15-20 sec., the cylinder is completely filled. 

• 7. Close the valve of the large gas bottle. 

• 8. Opening the bleed screw to drain residue remaining gas. 

• 9. Unscrew the CO2 cartridge – done.

Note:

• 1. Please upside down your CO2 tank if you can not refill when the CO2 tank is standing. This is because some tanks do not have the dip tube (syphon tube) inside. 

• 2. Pins not included. If needed,please use a pin or wrench to open the vent screw to discharge the residual gas.