The Astral Pool ZX200 cartridge filter is designed for pool systems that need higher-capacity cartridge filtration with strong serviceability. A filter like this is useful because it helps remove debris from the water efficiently while retaining the maintenance advantages of a cartridge-based design.This 200 square foot, 200 GPM model is especially useful when a compatible filter needs replacement or when the application calls for a larger-capacity cartridge unit. Its size and rating make it a strong option for systems that need dependable filtration support without shifting away from the cartridge format.The 78099 is a practical solution for compatible pool systems that need upgraded cartridge filtration capacity and cleaner long-term water management. Astral Pool ZX200 cartridge filter 200 square feet of filtration area 200 GPM rating Designed for higher-capacity cartridge filtration Supports cleaner water and dependable maintenance performance