With excellent sealing and leak-proof performance, this pool gasket is easy for you to use. Besides, it can increase the contact area between the hose or swimming pool equipment and the surface of the piston valve to prevent the surface of the swimming pool piston valve from wear and tear. With its good toughness and wear resistance, this pool gasket can be used for a long time. Besides, it is very professional and can fit your equipment perfectly, making it a good choice for replacement. It is constructed of rubber material. This product contains 2 small washers, 2 medium washers and 2 large washers. This product is suitable for Intex pools and devices. Item Name: Pool Washer Material: Rubber Features: Good Sealing, Easy Installation, Professional Size Details: Diameter: S: 3.8cm/1.5" (Approx.) M: 5.55cm/2.19" (Approx.) L: 9.85cm/3.88" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 6 x Pool Washer (S+M+L)