915 Generation CO2 Cylinder Refill Adapter Household Soda Bottle

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Your affirmation is our greatest motivation ! ! ![Specifics]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.
[Quality]We used copper material to ensure a long product lifetime and as well as strong durability under constant usage. After thousands of experiments, we designed this co2 tank refill adapter.
[Easy Operation]CO2 refill adapter kit is easy to screw the empty CO2 gas cylinder (not included) into the adapter. Will not wear down and/or fall apart using Gas One's propane refill adapter is a Heavy-Duty, reliable, and rust-free operation.
[Widely Applicable]This CO2 refill adapter can be used with large co2 tanks with CGA320 connector (US CGA-320/0.825-14NGO/G1/2-1), most commonly used for kegerators/homebrew beer. NOTE pin not included. if your donor tank has a residual pressure valve (if so, pin/wench is require)
[Notice]Please upside down your CO2 tank if you can not refill when the CO2 tank standing because some of the tank have not the dip tube (syphon tube)inside.NOT compatible with donor tank that has a residual pressure valve.

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 standing, because some of the tank have not the dip tube (syphon tube)inside.)
5.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 valve of the large gas bottle.
8.Opening the bleed screw to drain residue remaining gas.
9.Unscrew the CO2 cartridge - done.
colour: brass color
Material: copper
Size: about 4.6cm

Package Contents:
1 x Soda Maker Cylinder Refill Adapter TR21-4 to CGA320 Connector
2 x Gasket
2 x Big O-ring
4 x Small O-ring

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.