You have any questions about this replacement part, our team is available for assistance Made from rubber, this O Rings ensures long lasting and sealing for your pool filtration The O Rings replacement simplifies maintenance with quick installation. For best results, clean filter before replacing to remove debris and release excess pressure Regular replacement of worn O rings restores optimal filtration efficiency. This replacement part helps maintain for your pool and filter This R0357800 filter O Rings replacement is specifically designed for CV340 CV460 CV580 CL340 CL460 CL580 DEV48 DEV60 DEL48 DEL60 models perfectly, Manufacturer: EXQIOUR