Aqua Tech 10-20 Gallon Power Filter, 3 Pack

Aqua Tech Ez Change Filter Cartridge for 10-20 Filters 3 pack. 5.00 x 2.00 x 6.00 inches. Three Stage filtration for healthier fish. Change filters monthly for crystal clear water.
Stage 1: the filter cartridge floss screens out dirt and debris.
Stage 2: Activated Carbon inside filter cartridge removed oders, discolorations and impurities.
Stage 3: The Bio-Tech biological grid that comes with your power filter, never needs to be replaced. This ensure eliminatin of toxic ammonia and nitrate. This filter also has a unique design that it will not clog up.