1Advantages: The soda machine adapter hose kit has the advantages of rust prevention, corrosion, wear resistance, aging resistance and deformation resistance. 2Pure Brass Adapter: The external hose adapter is made of 100 percents pure brass, which is not only beautiful, but also safe, hygienic, thick and durable. 3Detachable Adapter: The detachable adapter and quick connection interface are very simple and convenient to use. Please read the instructions carefully before use and install them correctly. 4Compatible: The soda machine adapter hose is more convenient and safe to use, standard size, fully compatible with for DUO for Terra for Art. 5Threaded Interface: Large carbon dioxide tank thread CGA320 or 0.825 14NGO, TR21 4 and G1/2 in the United States, applicable to the United States, Canada, Brazil, Colombia and the Philippines.