Enjoy cleaner, better-tasting water straight from your kitchen faucet with the Culligan US-600A / US-600 Under-Sink Water Filtration System. Designed for easy installation and everyday use, this compact system fits neatly under your sink and connects directly to your cold water line—no need for a separate faucet or bulky countertop unit.

Key Features:

• Effective Chlorine Reduction
  Includes a D-20A carbon block cartridge that reduces:

  • Chlorine taste and odor (up to 95.7%)
  • Bad taste and unpleasant smells
  • Sediment, rust, and scale
  • Compatible with D-10A, D-20A, D-30A, and D-40A cartridges for customizable filtration levels

• NSF/ANSI Certified Filtration
  Tested and certified by IAPMO R&T to NSF/ANSI Standard 42, ensuring safe and effective reduction of aesthetic chlorine and odor for improved water quality.

• Compact & Space-Saving Design
  Slim-line housing fits easily under most kitchen sinks, making it ideal for apartments, condos, and homes with limited space. Connects directly to your existing faucet for seamless integration.

• Easy DIY Installation
  Comes complete with:

  • Filter housing with built-in mounting bracket
  • 3/8" tubing
  • Quick-connect elbows
  • SW-5A housing wrench
  • D-20A cartridge
  • Installation instructions
    No plumber required—set up in under an hour with basic tools.

• Long-Lasting Performance
  The included D-20A cartridge filters up to 1,000 gallons or lasts up to 12 months, depending on water quality and usage. Replacement is quick and tool-free.

Specifications:

• Model: US-600A / US-600
• UPC: 033663005440
• Dimensions: 12" H x 4" W x 4" D
• Flow Rate: 1 GPM at 60 PSI
• Operating Pressure: 30–125 PSI
• Temperature Range: 40–100°F
• Connection Size: 3/8"
• Filter Life: Up to 1,000 gallons or 12 months
• Certifications: NSF/ANSI Standard 42
• Color: White (Opaque Housing)

Compatible Replacement Cartridges:

• D-10A – Basic filtration
• D-20A – Standard chlorine reduction (included)
• D-30A – Advanced filtration
• D-40A – Premium filtration (requires dedicated faucet)

Applications:

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