Stealth-RO™/smallBoy™ KDF/Catalytic Carbon Replacement/Upgrade Filter

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SKU 75844

hydrologic copy

Replacement/Upgrade KDF/Catalytic Carbon Filter for Stealth-RO™ and smallBoy™ Systems


  • Reduces iron, sulfur, chlorine, and heavy metals
  • Rated at 1 GPM
  • Twice the life of the Green Coconut Filter
  • Bacteriostatic qualities do not allow microbes to breed in filter
  • Great for well water
  • Stealth-RO: Replace the after 2,000 gallons
  • smallBoy: Replace the after 6,000 gallons

Filter replacement schedules for RO carbon filters based on product water



  • Granular Activated Catalytic Carbon
  • KDF85 media
  • Translucent housing
  • Dimensions (H x W): 10" x 3"
  • Weight: 1.288 lbs

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