Hydrologic Big Boy KDF85/Catalytic Carbon Upgrade Filter 20″ x 4.5″

For use with BigBoy

  • Doubles filter life 50,000 gallon capacity
  • Reduces chloramines, chlorine, iron, sulfur and heavy metals
  • Great for city or well water – Bacteriostatic qualities do not allow microbes to breed in filter



  • High flow rate of 7 gallons per minute or 420 gallons per hour
  • Whole house filter or stand alone unit
  • 25,000 gallon capacity
  • Removes 99% of chlorine and 95% of sediment
  • Give your plants and family pure H2O with no offensive tastes or odors

This System Includes:

  • 2-Stage over-sized housings with pleated, cleanable sediment filter and upgraded KDF85/Catalytic Carbon Filter.
  • Heavy duty wall mountable aluminum bracket – will not rust.
  • 1″ inlet and outlet whole house application
  • Filter wrench