For Hydrologic Pre-Evolution
Ensures your Evolution-RO1000 runs more efficiently. Less filter changes and maintenance—every 7,500 gallons of purified water. Cleanable sediment filter is re-usable. Earth-friendly KDF/Catalytic carbon filter reduces chlorine, chloramines, iron, sulfur, and heavy metals—great for city or well water users. Highly recommended when using more than 150 gallons of purified water per week average.