CO2 Tank Cylinder Adapter, CO2 Cylinder Regulator TR21.4 to W21.8, CO2 Refill for SodaStream, CO2 Refill Cylinder Adapter, for CO2 Connector Kit (Silver)

【High-Quality Material】: The CO2 refill adapter is made of high-quality metal, offering maximum durability – it can be used for a long time. Exquisitely crafted – precise design, corrosion protection, and abrasion resistance make it difficult to damage. 【Easy to Use】: Small and lightweight, easy to carry and store, convenient to use. You can convert the CO2-to-water refill adapter yourself. This is not recommended for carbon dioxide, but is perfectly suited for emissions. (Note: To prevent leaks at the seal, it is recommended to use a gasket). 【Practical Purpose of the Adapter】: The adapter is used to inject carbon dioxide into the tank. This gas cylinder refill adapter is equipped with a drain valve. Once the refilling process is complete, any residual gas from the adapter can be safely released. This is the ideal accessory for connecting a CO2 cylinder adapter to your existing Fish aquarium CO2 tank regulator or mini homebrew beer regulator. 【Connection Thread】: Inner thread: TR21-4, Outer thread: W21.8-14, easy to use, the adapter is easy to install. 【High-Performance Design and Manufacturing】: Stable performance. This CO2-to-water filling adapter is professionally manufactured with stable performance and high reliability. Specification: Material: Aluminum. Color: Silver. Dimensions: 58 x 44 mm / 2.28 x 1.73 inches. Package: CO2 cylinder adapter. 【Package Contents】: 1 x CO2 cylinder adapter