Feature: 1RECIRCULATION OXYGENATION: Fish tank filter adopts step waterfall circulation to increase oxygen, with encrypted water inlet at the bottom and extra long extension tube to clean the bottom of the tank well. 2EFFECTIVE FILTRATION: Fish tank external hanging filter has built in filter plate with high efficiency filter cotton and strong adsorption activated carbon, which can effectively filter impurities. 3OIL REMOVAL FILM: Aquarium hang on filter with surface oil removal membrane filter port, more thorough cleaning. Multi segment extension tube, adapt to more fish tank height. 4QUIET ENERGY SAVING MOTOR: Hanging fish tank filter adopts silent energy saving motor, strong power and low energy consumption, low decibel operation, enjoy the bedroom level silence. 5EASY TO INSTALL AND MAINTAIN: Aquarium external hanging filter is easy to install and maintain with long service life. Special biochemical filter cotton to ensure stable water quality. Item Type: Fish Tank External Hanging Filter Material: PVC Use: Fish Tank External Waterfall Filter Power: 6W Flow Rate: 600L/H Applicable Fish Tank Size: Within 100cm / 39.4in Size: Approx. 23x38cm / 9.1x15.0in Package Included: 1 x Filter Body 1 x Instruction Manual 1 x OilRemovalMembrane Filter Head 1 x FlowerBasketPipe 1 x Three Way WaterPipe 1 x Right AnglePipe 1 x ConnectionPipe 1 x Connecting Head 3 x Longer InletPipe 1 x Control Valve 1 x FixingRing