Culligan RC-EZ-1 Basic Water Filtration Cartridge — 3,000 Gallons | EZ Change for Under-Sink and Refrigerator

Clean, flavorful water made easy

The Culligan RC-EZ-1 basic filtration cartridge delivers reliable water quality for drinking and cooking. This Level 1 filter helps reduce undesirable tastes and odors while lowering chlorine and particulates, so your tap water can taste fresher and cleaner in everyday moments.

What this cartridge does for your water

• Reduces bad taste and odor to improve drinking water at the source
• Minimizes chlorine and particulates class III for crisper, clearer water
• Versatile installation for under the sink or in the refrigerator for drinking water and ice
• NSF certified by IAPMO to meet filtration standards

With a 3 000 gallon capacity, the RC-EZ-1 is designed for typical family use and can be a convenient part of a streamlined kitchen workflow. The cartridge life is influenced by usage and water conditions, so you may experience months of improved water quality before replacement is needed.

Key features and benefits

• Twist-on, twist-off design with quick connect fittings for a mess-free change
• Includes installation hardware and tubing for a ready-to-install setup
• Fits EZ-Change systems including US-EZ-1, US-EZ-3, and US-EZ-4
• Under-sink or refrigerator installation options support drinking water and icemaker filtration
• Five year warranty for added peace of mind

What you get and how it helps your routine

• Simple replacement that minimizes spills and tools required
• Reliable filtration for everyday hydration and cooking needs
• Consistent water quality for beverages, soups, and snacks

Compatibility and care

This cartridge is designed to work within Culligan EZ-Change configurations and complements existing filtration ecosystems. For best results, combine with compatible systems and follow the included installation guidance. A 5-year warranty provides long term assurance as part of your filtration setup.