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US-EZ-4 Culligan Level 4 Easy-Change Undersink Filter System

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US-EZ-4 Culligan Level 4 Easy-Change Undersink Filter System

Save 17% (MSRP: $110.99)
5 3


Culligan US-EZ-4 Level 4 Easy-Change Undersink Filter System is an easy to install undersink water filter system with twist on / twist off mechanism. Comes with one lead-free faucet. Compatible with US-EZ-4 RC-EZ-1 RC-EZ-3 RC-EZ-4.

  • Culligan's best US-EZ series filter, removes more contaminants than the US-EZ-3 filter
  • Installs easily with built-in quick-connect fittings
  • Easily change filters with no mess
  • Genuine OEM Product
  • Installation Guide for CULLIGAN-US-EZ-4


Package Qty 1
Used In Brands Culligan
Manufacturer's Id US-EZ-4
UPC 033663006461
Actual Size (in) 8 3/4 inches (length) x 3 3/4 inches (width) x 14 inches (height)
Actual Size (cm) 22.23 x 9.525 x 35.56
Filter Life (gallons) 500
Filter Life (liters) 1,892.71
Filter Life (months) 6 months
Micron Rating (Nominal) 0.5
Operating Pressure (psi) 30 - 100
Operating Temperature (°F) 40 - 100
Operating Temperature (°C) 4.4 - 37.8
Flow Rate (gpm) 0.5
Flow Rate (lpm) 1.893
Fitting Size (inches) 1/4 inch
Certifications NSF/ANSI Standard 42, NSF/ANSI Standard 53
Warranty Guarantee 2 year limited warranty
Includes One RC-EZ-4 Level 4 filter cartridge, Filter head with built-in bracket, Mounting screws, Water supply adapter, Lead-free faucet and fittings, 1/4 inch plastic tubing, Cartridge change reminder sticker, Installation and Operating Instructions


Reduces the following contaminants:
  • Chloramines
  • Chlorine Taste & Odor
  • Cysts
  • Lead
  • Sediment
  • The CULLIGAN-US-EZ-4 does not reduce fluoride.


The CULLIGAN-US-EZ-4 is comparable with the following part numbers

4294138 RC-EZ-4
RC-EZ-3 1019054

Replacement for the Following UPC