Set of 8 seals for saturator and fistula Sodastream Seal for Sodastream saturators with Quick Connect socket, fits models: Terra, Duo, Art. Technical data: Material: silicone Diameter zew. 29mm Inside diameter. 20mm Weight: 3g Compatible models: The carburetor gasket for replacing the Co2 cylinder in the soda machine, suitable for Soda Stream DUO Terra Art quick coupler machines, matching the sealing gasket of the new soda machine, has been specially designed for the steam tank with pink soda High quality material: Replacement of sealing rings O-rings Cylinder Replacement of saturator seals is made of high quality material, which is durable, has good wear and corrosion resistance and longer service life Improved design: O-ring ring design can solve problems such as leakage, no closure when you press the handle, and slow leakage on the connection. Stable performance Easy installation: Replacement O-ring type gasket, replaceable carbonate tank gasket, as an additional retrofit kit, excellent installation of the pink soda water tank. It can be installed directly, without special tools, saving time and money