Aqueon 3 Pack Aquarium Carbon Filter with Bio-Media Grid 20/75-4 Filters per Package;

Enhance water filtration for your Aqueon QuietFlow Power Filter with specialty filter pads. Designed specifically for Aqueon hang on back units, these specialty filter pads provide an additional stage of mechanical filtration and can help address water quality issues. Carbon, Removes pollutants that discolor water and cause odor.