Features： *Compatible for Havward Valve Models:PSV2S，PSV2S2，PSV3S，PSV3S2，PSV3SM,PSV2SDGR，PSV2S2DGR，PSV3SDGRPSV3S2DGR，PSV3SMDGR *Includes the smallerkey/valve o-rings anathe larger o-ring for for for Hayward O-Ring Kit#PSXVZ2A. *Does notinclude the re-usableTeflon washer/spacerbetween the key/valveo-rings. *Stop Leaks: O-rings are used on valves to create a seal that prevents leaks. Put the o-ring on the fitting and tighten the valve. This will ensure that no leaks will pass through the fitting. *Compatibility: These o-rings are compatible For Jandy For NeverLube and For for Pentair valves (1-1/2" to 2-1/2" 2-way or 3-way) [Contents] Each pack contains 10 large o-rings and 20 SMALL O-RING *SIZE: The large o-ring is 3.25 inches in diameter. The small o-ring measures 7/8 inch wide. * HIGH QUALITY MATERIAL: These o-rings are made of rubber material. They can last a long time. Description: Material:rubber Color:as shown Size:as shown Package Contents: 1 set X o-rings or 5 set X o-rings or 10 set X o-rings Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. High quality assurance: Each product undergoes strict quality testing to ensure that you can provide the best quality experience. User-friendly design: The product features and appearance are carefully designed, easy to operate, and suitable for various usage scenarios. Multifunctional practicality: It has a variety of practical functions to meet your diverse needs and improve the quality of life. Environmentally friendly materials: Made of environmentally friendly and safe materials, harmless to the human body, while paying attention to environmental protection. Excellent cost performance: Provide excellent quality at a reasonable price to ensure a shopping experience that is worth the money.