Aquarium Power Filter, Fish Tank Filter Aeration Adjustable for 40 to 100 Gallon

[ONE FILTER FOR TWO PURPOSES] The internal aquarium filter(without air tube) can be used as a silent in-tank fish tank filter, providing good filtration and water circulation; The filter(with air tube) can also be used as an aquarium aeration, generating abundant bubbles and surface agitation while filtering, great for fish tank wavemaker, oxygenation, filtration, and circulation.
[MULTI-STAGE FILTRATION] This power sponge filter for aquarium works perfectly with an air pump to prompt the flow of water through 3 stage sponge filters chamber to make cloudy water thoroughly clear and absorb odors, providing good water circulation in aquarium. No need to buy an additional water pumps.
[IDEAL FOR 40-70 GALLON] The pump of the submersible fish tank filter operates with a high-strength permanent magnet rotor noise reduction system inside, and three silicone cushioning suction cups on the outside, which can greatly reduce noise <35db and firmly secure in-tank installation.