HydroLogic® PreEvolution™

The Pre-Evolution is a high capacity pre-filtration unit designed to go before the Evolution-RO1000 to ensure that your Evolution-RO1000 runs more efficiently, has longer membrane life and cuts down on maintenance.



  • 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
  • Combination of KDF85 and KDF55 with earth-friendly catalytic carbon filter reduces chlorine, chloramines, iron, sulfur and heavy metals
  • Great for city or well water
  • Highly recommended when using more than 150 gallons of purified water per week average


  • 2-stage 20″ x 4.5″ pre-filter unit
  • Pleated, cleanable sediment filter
  • KDF85/55 with catalytic carbon filter
  • Wall mountable metal bracket
  • 1/2″ quick connect fittings
  • 4 ft. feed line to the Evolution-RO1000™
  • Filter housing wrench
Weight 18.3 lbs
Dimensions 17 × 8 × 17 in

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