CO2 Adapter for Sodastream TR21-4 to TR21-3, Fits Quooker Cube Tank, Brass Thread Adapter - Compatible with Quooker CO2 Bottle, Sodapop, Gas Bot

Practical accessories: this compact adapter allows you to easily use TR21-4 threaded bottles in the Quooker Cube system, which actually requires TR21-3 bottles. This means that existing TR21-4 CO2 bottles are optimally used and unnecessary throwing away due to incompatibility. Safe and reliable at high pressure: with a maximum working pressure of up to 3000 psi (approx. 207 bar), the CO2 adapter remains stable and safe even at high pressure. This significantly exceeds the operating pressure of many home devices (100-120 psi). The adapter precisely controls the gas flow and ensures safe use of your soda streaming bottle system, whether in the home or on the go. Robust and durable: the adapter head made of high-quality brass provides excellent corrosion and wear protection, guarantees long-lasting tightness and long service life - ideal for long-term use. Compact design also makes it convenient for outdoor activities. Easy to use: gas bottle adapter, when connecting the gas bottle, first align the thread and screw in by hand. Then tighten carefully with a wrench - not too tight so as not to damage the sealing rings. Finally, slowly open the gas supply and check for leaks to ensure proper function in the Quooker Cube system. Thread size: 1 x thread adapter (TR21-4 inner to TR21-3 external thread). Adapter for gas bottles. Provides high flexibility when using TR21-4 threaded bottles - please check the size before purchasing. The brass CO2 adapter is compatible with most TR2 standard CO2 bottles on the market (thread type of the Quooker CO2 bottle must be confirmed).