Replacement parts included: This kit includes a 5 Spoke Gasket (271148) and an Oring (271151) for PACFAB 2Inch pool and spa systems. rubber construction: Made from rubber, these parts offer flexibility and durability to resist wear and help prevent leaks for long lasting performance. Engineered for easy installation: Each component is designed to facilitate straightforward installation and minimize downtime during pool maintenance. Fits a variety of valves: Compatible with SM20 2, SM20 261055, SM20 261152, and TM22 261185 multiport valves, enabling use across different setups. Use scenarios: Replacing worn gaskets and Orings during regular maintenance on PACFAB 2Inch pool and spa systems to restore a reliable seal. Servicing SM20 or TM22 multiport valves to ensure proper valve sealing and function. Keeping as a ready replacement kit for pool technicians to reduce onsite downtime and simplify inventory.