Aqueon QuietFlow Replacement Filter Cartridge - Medium BULK - 72 Cartridges - (24 x 3 Packs)

Aqueon QuietFlow Replacement Filter Cartridge - Medium are dual-sided replaceable dense-floss cartridges that are designed to provide an even distribution of carbon. These filter cartridges contain over 25 percent more activated carbon than other leading brands. Replacement filter cartridges Provide even distribution of carbon throughout 25 percent more activated carbon