Features: Engineered with high wear resistant rubber, these O rings durability by 50% compared to standard materials, ensuring leak proof seals for " hose in pool filter systems. Featuring tool installation and precise " sizing, these replacement O rings effortlessly into 330/530 filter pumps, restoring watertight within 15 seconds. Ideal for pool owners and maintenance requiring sealing to maintain optimal filtration efficiency in residential or commercial swimming pools. Perfect for seasonal pool or repairs, these rings water leakage in housings during high pressure filtration cycles and chemical exposure. The cost effective 10 ensures continuous pool by allowing immediate replacement of worn components, while the resistant construction withstands chlorine and UV degradation. Specifications: Product Name: O- For Intex1 To " Hose Connection Product : Rubber Product Size: Approx.2.53cm/0.99inch. Diameter Package Includes: Ten O-rings note: Please allow -2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.