fishkeeper Submersible Aquarium Filter for 40-100 Gal, 3-in-1 Biochemical Sponge Filter for Aquarium Filtration/Oxygenation/Circulation, Up to 320 GPH Adjustable Internal Fish Tank Filter (8W/13W)

fishkeeper 8W/13W Internal Aquarium Sponge Filter for 40-100 Gallon Fish Tank Comprised of simple parts, this submersible fish tank filter works perfectly with an aquarium air pump to prompt the flow of water through the sponge and filter chamber to keep your tank thoroughly cleansed. The fishkeeper internal filter for aquarium works by catching and trapping debris in the water column such as fish waste, uneaten food and plant matter ultimately allowing the filtered water to flow through the tube and back into the planted aquarium tank. The sponge material of the internal aquarium sponge filter is also the perfect breeding ground for beneficial bacteria and the entire unit is considered a form of mechanical and biological filtration for a planted aquarium tank. Water Filtration & Circulation Different from other internal power filters, the fishkeeper submersible filter for aquarium adopts the design of water intake from the bottom, passing through the entire filter cotton, 1 layer > 2 layers > 3 layers> 4 layers, filtering layer by layer, truly achieving perfect filtration. It can high-efficiently filter impurities in the fish tank, including food residues, fish droppings, particulate matter, etc. It can purify the yellow water in the fish tank, creating superior aquarium water environment Oxygenation Supplement & Wavemaking The flowing water can simulate the natural environment, create soft water flow, and increase water circulation. Created waves to increase fish movement and make fish more active. Equipped with a 180°rotatable duckbill, the direction of water flow can be freely controlled.