Features: Ensures performances of your swimming pool filter with the CX900F O Rings Replacement, designs for fit and sealing in Star Clear Plus Cartridges Filter Series and Separation Tanks. Craft from Silicone, this O Rings offer durability and high temperatures, ensuring long time use seal that meets or exceeds. For both professional pool maintenance personnel and homeowners, this replacement part is for anyone needing to maintain or repair their pool's filtrations systems. For routine maintenance and repairs, the CX900F O Rings keep your swimming pool filter operating efficiently, ensuring water cleaning for a safe swimming environment. With multiple models as well as Pentairs IntelliPros VS 3050, this O Rings is addition for maintaining various pool filtrations systems. Specifications: Component: Silicone Color: As Picture Show Size: Diameter 29.15cm/11.48inch Package Includes: 1pc Filter O Rings note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.