Colombo CO2 轉接環（適用於 Dennerle 調節器）

The threading on this adapter is precise and tight, so the connection to my regulator feels completely secure with no gas leaks. It took about 10 seconds to screw on, and now my existing setup works perfectly with the larger bottles.

I was skeptical about whether the adapter would fit snugly, but the threading is perfectly precise and locks onto the regulator without any wobble. Now I can finally use my larger CO2 bottles without buying a whole new system.

Finally my regulator screws straight onto the 800g bottles without any wobble or leak. Threads matched perfectly on the first try, and it sealed tight with just hand tightening. Nice to stop hunting for adapters that never quite fit.