VAYINATO RS-6000| 3W| 350L/H| Fit For 2~3Ft Tank |3 Layer Hang On Filter Power Aquarium Filter  (Mechanical Filtration for Salt Water and Fresh Water)

Efficient Oil Processor Super-quiet and re-start without adding water Special Cascade flow design and improving oxygen dissoliving capacity Optimal flow is realised by adjustable flow regulating valve Super narrow design hang on filter and more beautiful appearance. The filters are designed to be clipped onto the back of your aquarium. They are ideal for any aquariums where the submersible filters take up too much spaces. Instruction 3 stages filtration: mechanical, chemical and biological. Eliminates some viruses and toxins on contact. Special active carbonized fibre cartridge with dual functions for mechanical and chemical filtration Bio-sponge enhances biological filtration and guaranties optimum colonization of nitrifying bacteria Wet/dry exposure generates more beneficial aerobic bacteria. Do not oil at any time.