Pentek FloPlus-20BB - 20" x 4.5" Big Blue Carbon Block - Cyst 0.5 Micron Filter 000 Gal. Catalytic GAC Carbon Hydrogen Sulfide Removal Filter Replace the CFB-PLUS10 cartridge every

Replace the CFB-PLUS10 cartridge every six months under normal municipal water conditions with moderate sediment load and chlorine levels

consider replacement every 3 to 4 months

The 20K OHM range is suited for moderate to high-purity applications where real-time resin exhaustion monitoring prevents downstream contamination or spotting

Lubricate the o-ring with silicone grease and hand-tighten the housing sump until snug

A small investment in a replacement o-ring now can prevent leaks and save you from a much larger headache later

Pentek FloPlus-20BB - 20" x 4.5" Big Blue Carbon Block - Cyst 0.5 Micron Filter 000 Gal. Catalytic GAC Carbon Hydrogen Sulfide Removal Filter Replace the CFB-PLUS10 cartridge everyThe Pentek FloPlus 20BB is a 20" x 4. 5" carbon block filter cartridge engineered to reduce sediment, chlorine taste and odor, and protozoan cysts down to 0. 5 micron with 99. 95% cyst reduction efficiency. With a 50,000 gallon chlorine reduction capacity at 4 gpm and NSF ANSI 53 certification, this Big Blue cartridge delivers whole house filtration performance with the dirt holding capacity of a 10 micron filter. SPECIFICATIONS Core Performance Data