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Jesica Tiffany-Clark
Reviewed in the United States on February 9, 2025
I agree with the other two negative reviews about this being useless. There is no center pin and the actual valve that you turn to open it doesn't work either. THIS IS USELESS.
Tim Waldner
Reviewed in the United States on February 16, 2025
Leaks not letting Gas Thru!! Very Disappointing
Marc R.
Reviewed in the United States on January 8, 2025
There is no pin on the TR21-4 connector to push down the bottle valve. Your CO2 tank will not fill your bottle.Notice that none of the marketing pictures show the interior of the TR21-4 connector.All interior views are of the CGA320 connector side only.
Gentry
Reviewed in the United States on January 18, 2025
This being my third attempt to find an adapter that actually works and doesn’t leak, I’m happy to report that this adapter works perfectly with the Ninja Thirsti bottles. Just watch a YouTube to find all the tips and tricks.
Bob
Reviewed in the United States on September 18, 2024
This adapter works well to refill my blue sodastream canisters from my 20lb CO2 tank.Good quality and no leakage issues.It costs less than $1 to refill each one now.Very happy with this adapter.
Papa Dave
Reviewed in the United States on December 29, 2024
The valve on the Soda Stream bottle has a pin in the center that is pushed down to open the valve on this older-style bottle.You can't open the valve if there is no pin, so the adapter is useless.
Heintzr57
Reviewed in the United States on October 7, 2024
We have the ninja soda machine and this worked perfect for refilling the Co2 tanks saving us money.
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