Replacement Cartridges

20" x 4.5" (Full Flow and Big Blue size), includes one 20 micron and one 5 micron nominal pleated cellulose filter cartridges for general water filtration purposes. Each cartridge is individually shrink wrapped.

RainFlo 20" x 4.5" (Full Flow and Big Blue size), includes one 20 micron pleated cellulose filter, one 5 micron pleated cellulose filter and one 1 micron carbon block filter cartridge for chlorine, taste and odor reduction. Each cartridge is individually shrink wrapped.

20" x 4.5" (Full Flow and Big Blue size), 0.5 micron nominal, 1 micron absolute carbon block filter cartridge for chlorine, taste and odor reduction. Each cartridge is individually shrink wrapped.