Undersink Water Filtration System US-EZ-4

The Culligan US-EZ-4 under sink drinking water system includes filter head with built In bracket, RC-EZ-4 cartridge, mounting screws, supply adapter, lead free faucet with built in electronic cartridge life indicator and 1/4-inch plastic tubing, 6 months/500 gallons filter life. The filter features a twist on, twist off mechanism, quick connect fittings, double water shut off. The filter reduces bad taste & odor, chlorine taste & odor, sediment, lead, cysts such as cryptosporidium & giardia, mercury, turbidity, particulate Class I, VOC (see performance data sheet for full list of contaminants reduced), MTBE and chloramines. The filter is NSF certified.


Level 4 Advanced Filtration

  • Bad taste & odor
  • Chlorine taste & odor
  • Sediment
  • Lead
  • Cysts such as cryptosporidium & giardia
  • Turbidity
  • Atrazine
  • Lindane
  • Particulate Class I


  • Twist-on, twist-off mechanism
  • Quick-connect fittings – double water shutoff
  • 2-year limited warranty
  • NSF Certified
  • 500-gallon capacity


  • Filter head with built-in bracket
  • RC-EZ-4 replacement filter cartridge
  • Mounting screws
  • Supply adapter
  • Lead-free faucet with built-in electronic cartridge life indicator
  • ¼" plastic tubing
  • Filter change reminder sticker


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