Keep your pool clean with the INTEX C1000 Cartridge Filter Pump with GFCI. A built-in cartridge gauge helps monitor filter cartridge, while water inlet jets enhance water flow. The air release valve takes care of air trapped inside the filter chamber, and heavier paper and more pleats ensure efficient cleaning. INTEX C1000 Cartridge Filter Pump with GFCI - Pools / Chemicals at Academy Sports