Watts (WCBFF20) 20"x4.5" Big Blue High Performance Coconut Carbon Block 10 Micron1946 ensuring all connections are hand-tight

ensuring all connections are hand-tight plus a quarter turn

Protects softeners

color chart Recommended Frequency Weekly testing

This cartridge is designed for whole-house pH correction applications where acidic water (pH below 7

Tighten both worm drive clamps with a flathead or nut driver until the tubing is securely fastened to the barbed fittings without crushing the hose

Watts (WCBFF20) 20"x4.5" Big Blue High Performance Coconut Carbon Block 10 Micron1946 ensuring all connections are hand-tightThe 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