Cost-Effective: With our Refill Adapter, you can save money by refilling your tanks anytime you need to. This is especially useful during parties, family gatherings, or trips where the tank may not be enough to meet your needs. Pressure Gauge: Our Refill Adapter for Filling maker Co2 Cylinder comes with a pressure gauge that clearly displays the pressure value. It is essential to that the pressure does not exceed the recipient tank's pressure specification when refilling. Easy to Use: Our CO2 refilling Adapter is straightforward to use. Simply attach the adapter to the larger tank and the smaller tank, and you're ready to refill. With our product, you can enjoy a hassle-free experience anytime and anywhere. Colour:rose red Material:aluminum type:W21.8-14 Package Contents: 1 x CO2 Refill Station Adapter Only the above package content, other products are not included. Note: Light reflection 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.