KDF/GAC Multi-Media Water Filter Replacement Cartridge
Upgrade your water quality with this professional-grade KDF/GAC replacement cartridge — engineered to deliver cleaner, healthier drinking water for your entire family. Built with patented KDF media (U.S. Patent 4,642,192) combined with Coconut Shell Activated Carbon, this cartridge tackles the contaminants that matter most while preserving the beneficial minerals your body needs.
What It Removes
- ☠️ Chlorine & Chloramines — eliminates taste and odor issues
- 🔩 Lead & Heavy Metals — including arsenic and cadmium
- 🧪 PFAS & Chemicals — per- and polyfluoroalkyl substances
- 🦠 Bacteria Inhibition — KDF media is bacteriostatic, inhibiting bacteria growth from within the cartridge itself
What It Keeps
- ✅ Calcium & Magnesium — beneficial minerals are left fully intact
Key Features
- 📋 Patented KDF Media — U.S. Patent 4,642,192, tested and proven
- 🥥 Coconut Shell Activated Carbon — premium GAC media for superior filtration
- 💧 12,000 Gallon Capacity — long-lasting performance and exceptional value
- 🇺🇸 Made in the U.S.A.
- 🔬 NSF-53 Tested — independently laboratory tested to industry standards
- 🛡️ 3-Year Prorated Warranty
Compatibility
- Replacement cartridge for Crystal Clear Supply units: CT, CTD, CTD-CB, CTD-S, UC, UCD, UCD-F, UCD-CB
- Also fits any industry-standard housing designed for standard 9¾" length × 2½" to 2¾" width cartridges
Installation Notes
- Install with the gasket end against the screw cap
- Remove the outside wrapper before installation
- Flush with sufficient water after installation to remove all traces of fines