1、Perfect Fit: Suitable for DUO, Terra, Art quick connect machines, it is an adapter that can connect the soda water machine and CO2 cylinder. 2、Brass Material: The CO2 adapter is made of brass, anti corrosion, durable and safe, with polished surface, good sealing, anti oxidation, and anti rust. 3、Simple Installation: In just a few simple steps, your CO2 soda maker can be used with this quick adapter. Please check the detailed installation steps on our details page. 4、Threaded Interface: Large carbon dioxide tank thread DIN477 or JIS m22‑14 (Europe TR21‑4, W28‑14). 5、Applicable Countries: South Korea, Japan, Britain, Germany, France, Poland, Norway, Switzerland, Russia, Ukraine, South Africa, Sweden, Chile, Czech Republic, Singapore Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store