A. This carbonator gasket for CO₂ cylinder replacement in the soda machine is designed for the pink soda steam can. It is a sealing gasket suitable for the new - version soda machine and is compatible with DUO/Terra/Art quick - connect machines. B. It is made of materials and features a reliable O - ring design. C. It is easy to install. As an upgrade auxiliary kit, it can be used as an O - ring replacement seal and a carbonator gasket for cylinder replacement. It fits well with the pink soda steam can and can be installed simply without special tools, enabling your soda machine to operate better. D. Color: Yellow Material: Silicone Packaging contents: 1. Five O - rings The package mainly includes the above - mentioned items. Note: Light reflection and different displays may cause slight differences between the color of the items in the picture and the actual product. A measurement error of +/- 1 - 3 cm is allowed.