Compatible GEA Westfalia S/S Shell 230g (7021.2721.090) The Compatible GEA Westfalia S/S Shell 230g is a lightweight replacement teat cup shell designed for use with compatible GEA Westfalia milking systems . Manufactured from high-quality stainless steel, the Compatible GEA Westfalia S/S Shell 230g provides reliable performance, durability, and efficient cluster operation in demanding dairy environments. As a key component of the milking cluster, the shell houses and supports the liner during milking, helping to ensure consistent milk flow and effective cluster performance. Maintaining teat cup shells in good condition is essential for supporting cow comfort, milking efficiency, and the overall reliability of the milking system. Constructed from corrosion-resistant stainless steel with a 1.4mm wall thickness , this shell offers a lighter-weight alternative while retaining the strength required for everyday dairy use. It is designed to withstand regular cleaning procedures, dairy chemicals, moisture exposure, and daily parlour operation. With an outside diameter of 45mm , length of 147mm , 27mm hole diameter , and 10mm pipe connection , this shell is manufactured to fit compatible