Watts (WCBFF20) 20"x4.5" Big Blue High Performance Coconut Carbon Block Soften Hard Water 2159 Water quality varies by location

Water quality varies by location

Five-Stage Filtration Process

Five-cycle process maximizes resin cleaning while minimizing salt and water consumption compared to simpler two or three-cycle valves

Build your own custom filter

✓ Withstands up to 165°F ✓ 125 PSI rated ✓ Glass-reinforced nylon ✓ 3/4" NPT ports

Watts (WCBFF20) 20"x4.5" Big Blue High Performance Coconut Carbon Block Soften Hard Water 2159 Water quality varies by locationThe Watts WCBFF20 is a 20"x4. 5" coconut shell carbon block filter engineered to deliver over 20,000 gallons of chlorine reduction at whole house flow rates up to 7 GPM. This 5 micron rated cartridge fits standard Big Blue housings and combines sediment filtration with advanced taste and odor removal for point of entry or high demand applications. SPECIFICATIONS Core Performance Data Dimensions 20" x 4. 5" Big Blue standard Micron Rating 5 Micron