MJ-UV2600 is the latest advance air-proof, economization, super lowness, large flow and durability external filter. It equipped with a strong ultraviolet radiation sterilizes effectively and make the water circulation clear, scentless and sterilized; included restrain the bacteria’s growth. It contains 4 media basket allows any filtration material (bio-ring, bio-pores, zeolite, biological foam, coarse sponge, etc) can be put in the moveable filtration step for maximal filtration result. It can start quickly by pressing several times and suitable for various types of aquarium tanks.