Enjoy cleaner tasting water with the Culligan US-EZ-4 undersink filtration system, designed to reduce up to 99% of lead, mercury, and chlorine. This genuine OEM system features an easy-change cartridge design and includes everything needed for a quick, professional installation.

• Advanced filtration reduces up to 99.3% of lead and 98% of chlorine, as well as mercury, cysts, and VOCs.
• EZ-change replacement cartridge features quick-connect fittings for a simple twist-on, twist-off maintenance process.
• NSF/ANSI certified for aesthetic reduction of chlorine taste and odor (Standard 42) and reduction of lead and mercury (Standard 53).
• High-capacity performance filters up to 500 gallons of water, providing up to 6 months of clean water between changes.
• Complete installation kit includes a dedicated lead-free faucet, head assembly, mounting hardware, and clear tubing.
• Versatile head assembly is compatible with RC-EZ-1, RC-EZ-3, and RC-EZ-4 replacement cartridges.