When your swimming pool filter is in need of a new replacement part look no further than the Hayward CX900RE Replacement Cartridge Element. This swimming pool replacement part is designed to specifically pair with the Hayward StarClear Plus cartridge filter models C751 C900 C1200 C1750 C1900. This part is precision-engineered molded and extruded cores help provide maximum hydraulic efficiency and structural stability. All in all this part will help you get the most out of your Hayward Filter. Don t settle for subpar swimming pool replacement parts. Instead use the Hayward CX900RE Replacement Cartridge Element for superior performance.