The Berthoud 453022 rotary joint is a genuine OEM replacement part specifically designed for Berthoud sprayer pumps. This critical sealing component ensures the integrity of the pump system, preventing leaks and maintaining efficient operation. With an inner diameter of 20 mm, an outer diameter of 30 mm, and a thickness of 10 mm, this rotary joint provides a precise fit for compatible Berthoud pump applications, contributing to the longevity and reliability of your agricultural equipment.