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Culligan US-EZ-3 Easy-Change Undersink Water Filtration System (Level 3)

$92.99 List Price $132.99 Save 30%
Availability: Discontinued - Free Shipping
  • Ships fast!
  • Installs quickly and easily
  • Reduces impurities and contaminants before they impact the taste of your water!
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Built to install with a simple twist, the Culligan US-EZ-3 Easy-Change undersink water filtration system is a genuine OE part that keeps your water tasting great for up to six months between cartridge changes. Significantly reduces contaminants and impurities, ranging from chlorine, to sediment, to lead, before they can impact the quality of your drinking water. Comes complete with all components needed for set-up and operation, including a filter cartridge and lead-free faucet. Order the Culligan US-EZ-3 Easy-Change undersink water filtration system online today.
Package Qty1
Used In BrandsCulligan
Manufacturer's IdUS-EZ-3
Actual Size (in)8 1/4 inches (length) x 3 3/4 inches (width) x 12 3/8 inches (height)
Actual Size (cm)20.96 x 9.525 x 31.4325
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
Country of ManufactureChina
CertificationsNSF/ANSI Standard 42, NSF/ANSI Standard 53
Warranty Guarantee2 year limited warranty
IncludesOne RC-EZ-3 Level 3 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

Reduced Contaminants

The CULLIGAN-US-EZ-3 reduces the following contaminants:

  • Atrazine 94.10%
  • Bad Taste and Odor
  • Chlorine Taste & Odor 97.40%
  • Cysts 99.99%
  • Lead at pH 6.5 99.30%
  • Lead at pH 8.5 98.30%
  • Lindane 98.20%
  • Particulates (Class I) 99.90%
  • Sediment
  • Turbidity 98.50%

The CULLIGAN-US-EZ-3 is comparable with the following part numbers


Installation Guide


  1. The battery is installed behind the faucet. There is a lip there with a battery insert. Putting the battery there powers the indicator light on the faucet