Pentek FloPlus-20BB - 20" x 4.5" Big Blue Carbon Block - Cyst 0.5 Micron Filter Accessories3131 The loose granular carbon media

The loose granular carbon media provides excellent contact time for chemical adsorption without the pressure drop associated with carbon block filters

NSF-approved injection-molded polypropylene body

5" cation exchange softening cartridge engineered to reduce hardness and prevent scale deposits using FDA-grade C100E softener resin

Replace every 6

both ends Adapter System Quick Loc 1/2" union adapters for tool-free installation Body Construction Injection molded polysulfone

Pentek FloPlus-20BB - 20" x 4.5" Big Blue Carbon Block - Cyst 0.5 Micron Filter Accessories3131 The loose granular carbon mediaThe 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