The Everpure EV997625 is a comprehensive Reverse Osmosis System Cartridge and Membrane Kit designed for optimal water purification. This kit includes one 4FC5 Pretreatment Carbon Filter, which effectively reduces chlorine, sediment, and other contaminants, ensuring cleaner water. The 4CC Post Treatment Calcite Feeder Cartridge adds essential minerals back into the water, enhancing taste and quality. Additionally, the GRO-75EN RO Membrane Cartridge provides advanced filtration, removing up to 99% of dissolved solids and impurities. This all-in-one solution ensures high-quality drinking water, making it ideal for residential and commercial applications.