Description: The housing of the Filters is hung at the external wall of your aquarium. Enhance aquarium filtration with 4/5 stage canister filters, so water comes into contact with more filters medias fully to Purify efficiently. You can add filters materials such as ceramic filters rings, balls(not include) in 4/5 stage canister filters, the 135x245x60mm and the 160x245x60mm is 4 stage canister filters, the 190x288x65mm is 5 stage canister filters. They are suitable for freshwater and seawater. The installation is easy. When cleaning, press the buckles on both sides in order, and it can be disassembled with a light touch, which is convenient for cleaning. Rotate adjustable flow knob left and right to adjust the flow rate to change the amount of water in and out, if the amount of water is small, the two regulating valves have been adjusted to the left. The water inlet and outlet buckle can be rotated 360°, and the water outlet can be retracted according to the needs of the fishes tank, which is convenient to use. NOTE: CN Plug 220V Specification: Material: Pp Power: 6W Plug: CN Flow Rate: 500L/H Power Cord Length 1.3 meters/51.18 inch Inlet Pipe Length: 35 cm/13.78 inch Applicable Fishes Tank: 135x245x60mm: 20-40 cm/7.87-15.75 inch 160x245x60mm: 40-60 cm/15.75-23.62 inch 190x288x65mm: 60-80 cm/23.62-31.50 inch Size Chart: 135x245x60 mm/5.31x9.65x2.36 inch 160x245x60 mm/6.30x9.65x2.36 inch 190x288x65 mm/7.48x11.34x2.56 inch Package Includes: 1 Aquarium Fishes Tank Filters(Not Include Adapter, Need to Bring Your Own)