This R0357800 filter O Rings replacement is specifically designed for CV340 CV460 CV580 CL340 CL460 CL580 DEV48 DEV60 DEL48 DEL60 models perfectly 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 Regular replacement of worn O rings restores optimal filtration efficiency. This replacement part helps maintain for your pool and filter The O Rings replacement simplifies maintenance with quick installation. For best results, clean filter before replacing to remove debris and release excess pressure, Manufacturer: Mekalero