Advanced Filtration: Combines Reverse Osmosis and Deionization for unparalleled water purity Long-Lasting Performance: Four stages of filtration extend the life of your Deionization filter Cost-Effective Solution: Lower lifetime cost compared to using just Deionization alone Removes Up to 99.99% of Contaminants: Ensures the purest water possible for your home Versatile Compatibility: Designed to fit Express Water's FLTSETDI1010QJ model Experience pristine water at home with the Express Water Deionization Reverse Osmosis System Filter Set. This comprehensive 6-stage filtration system combines Reverse Osmosis and Deionization to remove up to 99.99% of contaminants, ensuring the purest water possible. The system features a 100 GPD RO membrane and 10-inch size water filters, including a 5-micron sediment filter, 5-micron activated carbon block filters, a 5-micron granular activated carbon filter, a reverse osmosis membrane, and an ion exchange purification filter. The filters are designed to last, with a lifespan increased by the initial stages of filtration, reducing the lifetime cost compared to using just Deionization alone. The system is compatible with the FLTSETDI1010QJ model and comes with 10 filters, providing a 10-count unit. The filters measure 9.75 inches by 2.5 inches and can operate within a temperature range of 40-100F (38C).