The standard CGA320 external hose can be used to connect large CO2 storage tanks to maker machines, for Soda DUO/TERRA/ART/Crystal3.0/Carbonators series. Food Grade Materials Support High Pressure - The hose has a working pressure of 5000psi. Both the hose and o-rings are made of food-grade materials, ensuring safety and reliability. They will not affect the taste of the carbonated water and provide excellent air tightness. Save on Refill Costs - This CO2 tank adapter hose kit is easy to install and remove. It allows you to connect your soda maker machine to an external non-siphon CO2 canister with a CGA320 outlet valve. By directly connecting a large CO2 tank to your soda maker machine, you can save on refill costs. It is suitable for CGA-320 outlets. Wide Applications - The soda machine extended adapter can connect to large CO2 tanks. Lightweight, Easy Install - The length of the soda adapter is 1.5M. Compared to other heavy options, it is easier to assemble on soda water machines and bottles. Color: As shown Material: Plastic + Metal Package Contents: 1 x Soda Terra Machine CO2 Adapter Quick Connector Adapter Kit 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 to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.