US4 Deluxe Undersink Water Filter

GAC/KDF® For Chlorine Removal to Improve Color, Taste, and Odor.


SKU: H2O-US4/ H2O-US4-IL Category

Features and Benefits

  • Undersink Installation
  • 5-micron size Filtration
  • Improves Color, Taste and Odor
  • KDF® 55 Media in cartridge reduces heavy metals.
  • Bacteriostatic media: Inhibits bacteria growth (algae, fungi).
  • Long-lasting high-capacity cartridge
  • Replace: Every 24-36 months or 35,000 gallons (Whichever comes first)
  • Media Certified by NSF®


  • Chlorine and Chlorine By-products (Trihalomethanes)
  • Most EPA-listed Contaminants: Volatile Organic Compounds (VOCs), Chemicals, PCBs, Pesticides, Herbicides, Chloroform

Included Accessories

Optional Accessories

  • FlowLok – Shuts off the water supply when a leak is detected
  • Shock Block – Protects your water filter from excessive water pressure.
  • Pre-Sediment In-line Filter – Protects your system against excessive sediment

Additional information

System Type

Full System, In-line System, Cartridge Only

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