Enjoy cleaner, safer, and better-tasting water straight from your kitchen faucet with the Culligan US-EZ-4 Premium EZ-Change Under-Sink Water Filtration System. Designed for convenience and high-performance filtration, this Level 4 system is ideal for households seeking advanced contaminant reduction without the hassle of complex installation or maintenance.

Key Features:

• Advanced Level 4 Filtration
  Reduces a wide range of contaminants including:

  • Lead (up to 99%)
  • Mercury
  • Chlorine taste and odor
  • Chloramines
  • Sediment, rust, and scale
  • Microbial cysts (Cryptosporidium & Giardia)
  • Turbidity
  • Volatile Organic Compounds (VOCs)
  • MTBE, Atrazine, Lindane
  • Perfluorinated chemicals (PFOA & PFOS)

• Certified Performance
  Tested and certified by IAPMO R&T to NSF/ANSI Standards 42 and 53, ensuring effective reduction of both aesthetic and health-related contaminants.

• Twist-On, Twist-Off Cartridge Design
  Makes filter changes quick and mess-free—no tools, buckets, or towels required. Built-in quick-connect fittings and double water shut-off valves simplify installation and maintenance.

• Dedicated Lead-Free Faucet with Electronic Filter Life Indicator
  Includes a stylish chrome faucet that provides filtered water on demand, plus a built-in battery-powered indicator that alerts you when it’s time to replace the cartridge.

• Compact & Space-Saving Design
  Fits neatly under most kitchen sinks and integrates with your cold water line, making it ideal for homes, apartments, and offices.

• Complete Installation Kit Included
  Comes with:

  • Filter head with built-in bracket
  • RC-EZ-4 Level 4 replacement cartridge
  • Mounting screws
  • Supply adapter
  • Lead-free faucet with battery-powered life indicator
  • 1/4-inch plastic tubing
  • Filter change reminder sticker

Specifications:

• Model: US-EZ-4
• UPC: 033663005600
• Dimensions: 14.325" H x 3.5" W x 3.5" D
• Flow Rate: 0.5 GPM
• Filter Life: Up to 500 gallons or 6 months
• Operating Pressure: 30–125 PSI
• Temperature Range: 40–100°F
• Certifications: NSF/ANSI 42 & 53
• Color: White
• Warranty: 2-Year Limited Warranty

Compatible Replacement Cartridges:

• RC-EZ-4 (included)
• Also compatible with RC-EZ-1, RC-EZ-3 for varying filtration levels

Applications:

• Drinking water
• Cooking
• Ice makers
• Coffee and tea preparation
• Residential under-sink installations