* Two separate forced filter boxes, pushes water and removes waste / discoloration / odors .
* Accumulator for oil slick, can effectively increase the amount of oxygen on the surface and enhance illumination of the aquarium.
* lengthened water inlet pipe; adjustable length, suitable for aquariums with different heights .
* The filter boxes can be taken out separately, for easier cleaning.
* 1 pound of ceramic rings with nylon bag including , more option for your filter boxes.
* UL and CE approved Cable built in for safety.
* product suitable for 20-50 gallon tanks.