No tools, plug and play, quickly connect and disconnect the CO2 gas cylinder.You can easily get started without complex operation steps, which is convenient for daily use at home<br> The sealing performance is good, and high -quality sealing materials are used to ensure that there is no leakage during connection and safety.It is recommended to use a siphon carbon dioxide storage tank with a CGA-320 exit valve, otherwise the water tank will need to be inverted.If you freeze a small air cylinder in the refrigerator, it is easier to fill and add more gas in a few hours before filling.<br> Make high -quality aluminum alloy material, which has the characteristics of corrosion resistance, rust -proof, high temperature ductility, and low magnetic parency.It can withstand high pressure, suitable for high -pressure environments, prevent damage caused by over -pressure<br> Connect to a standard large CGA320 CO2 water tank, which is only applicable to the screws in CO2 cans such as Terra, ART, DUO, GAIA, E-Terra, Crustal 3.0, and can not be the TR21- such as Fizzi One Touch, Jet, Genesis and other TR21-4 CO2 cans of water machines.<br> The structure is simple, easy to disassemble and clean, maintain a good working state, small size, light weight, easy to carry and store, very convenient.<br> not suitable for CO2 water tank with RPV, residual pressure valve<br> Colour:As Shown<br> Material:Metal<br> Package Contents:<br> 1 set * stream co2 refill<br> Only the above package content, other products are not included.<br> 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.