Cascade hang-on aquarium power filter for 10-100 gallon aquaria depending on model number.
Cascade power filters feature a four-step filtration system to keep your aquarium fresh and beautiful.
The polyfiber floss cartridge traps floating particulate matter while the activated carbon cartridge removes harmful toxins, odors, discoloration and contaminants.
The internal sponge optimizes colonization of beneficial aerobic bacteria and the external Bio-Falls provide a wet/dry biological booster for additional ammonia and nitrite removal.