D-20A Granular Activated Carbon Replacement Cartridge - Basic Filtration

The Culligan® D-20A is an affordable, reliable under-sink filter that improves the taste and smell of water by reducing chlorine and other odors. It’s ideal for home use.

Designed for the Culligan® US-600A system, it uses granular activated carbon (GAC) to deliver cleaner, better-tasting water. The cartridge lasts up to 12 months or 1,000 gallons and is certified by IAPMO R&T for safety and performance.

Features

• Improves water by reducing bad taste, odors, and chlorine flavor

• Granular activated carbon (GAC) provides efficient filtration

• Extended lifespan – up to 12 months or 1,000 gallons

• Designed for use with Culligan® US-600A systems

• IAPMO R&T certified for trusted quality

• Ideal for under-sink residential applications

• Simple, tool-free installation and replacement