The Seal Kit RUVAC WS/WSU 151-251 - BR2 is designed to ensure optimal performance and reliability of RUVAC vacuum pumps. This high-quality seal kit contains all necessary components for effective sealing, preventing leaks and maintaining vacuum integrity. It is compatible with WS and WSU models, making it a perfect replacement for worn or damaged seals. Easy to install and durable, this seal kit enhances the efficiency and lifespan of your pumping system.