This Soda Machine Co2 Cylinder Exchange Carbonator Gaskets is specifically designed for red soda tank, Suitable for Sealing Gaskets of New edition Soda Machine, Compatible with DUO/Terra/ Art brief join 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 Cans Perfectly, No Special Tools Required, Just Simple Install, Your Soda Maker Will Work Like New Again. color:Yellow Material:Silica gel Package Contents: 5 x O Rings Only the above package content, diverse item aren't included. Note: Light mirrored image and varied displays can cause the color of the thing within the photograph a chunk various from the genuine thing. The size allowed error is +/- 1-3cm.