The standard CGA320 external hose can be used to connect large CO2 storage tanks to maker machines, For Soda DUO or TERRA or ART or Crystal3.0 or 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 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 incredibly 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 instantly save on refill costs. It is suitable for CGA-320 outlets Wide Applications - The soda machine extended adapter can connect to large CO2 tanks, Light Weight, Easy Install- The length of soda adaptor is 1.5M, Compare to other heavy ,it is easier to assemble on soda water machine and bottle. Colour:As Shown Material:Plastic and 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 a little different from the real thing. The measurement allowed error is 1-3cm.