Ideal for pool owners and maintenance requiring sealing to maintain optimal filtration efficiency in residential or commercial swimming pools 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 The cost effective 10 ensures continuous pool by allowing immediate replacement of worn components, while the resistant construction withstands chlorine and UV degradation Perfect for seasonal pool or repairs, these rings water leakage in housings during high pressure filtration cycles and exposure Featuring tool installation and " sizing, these replacement O rings into 330 / 530 filter pumps, restoring watertight within 15 seconds, Manufacturer: RGYBAO