This Soda Machine Co2 Cylinder Exchange Carbonator Gaskets is specially designed for pink soda steam tank, Suitable for Sealing Gaskets of New version Soda Machine, Compatible with DUO/Terra/ Art quick connect machines.Made of high-quality materials, O-ring design is reliable. Easy to Install, O-ring Replacement Seal Cylinder Replacement Carbonator Gasket As an Upgrade Aid Kit, Fits Pink Soda Steam Cans Perfectly, No Special Tools Required, Just Simple Install, Your Soda Maker Will Work Like New Again.color:YellowMaterial:Silica gelPackage Contents:5 x O RingsOnly 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.