OUTOPEN 3-in-1 External Filter Box High Transparency Hanging Type Acrylic Fish Tank Top Filter Various Sizes Water Circulation Aquarium Box Round Fish Tank

Package Include: 1pc Fish Tank External Filter BoxSize: 14.68cm(5.753.15in),18.68cm(7.323.15in),22.68cm(8.903.15in),26.68cm(10.473.15in) Special Feature: Hanging,High Transparency,Silent Waterfall Material: Acrylic Color: Clear This fish tank filter box is highly transparent, elegant and beautiful; you can clearly observe the internal changes, which is very convenient and is a necessary accessory for the fish tank. External filter box for aquarium and fish tank.The cylinder angle is arc- shaped to save space,the edge hole can also insert tools such as tweezers.Specially equipped with external filter for round fish tank. Progressive filter tank, progressive water inlet, can be matched with different filter materials to meet the filtration needs of various fish for different water quality.Physical and biochemical filtration for your fish tank and increases the oxygen solubility. The plug is removed, the front waterfall type water outlet becomes a silent type water outlet, and the water storage in the box can be retained.Quiet filtering system. Especially good for breeding small fish/planting green plants.