Feature: 1. WATERFALL CIRCULATION OXYGENATION: Fish tank hang on filter adopts step waterfall circulation oxygenation, bottom water inlet, extra long extension tube can clean the bottom of the tank well. 2. BUILT IN FILTER PLATE: Aquarium hang on filter has built in filter plate with high efficiency filter cotton and strong adsorption activated carbon, which can effectively filter impurities. 3. QUIET ENERGY SAVING MOTOR: Fish tank filter adopts silent energy saving motor, strong power and low energy consumption, low decibel operation, and waterfall design for filtration. 4. APPLICABLE FISH TANKS: Hanging aquarium filter adopts multi‑segment lengthening splicing tube to adapt to more fish tank height. Applicable fish tank size is within 50cm. 5. OIL REMOVAL FILM: Hanging fish tank filter has a surface de greasing filter port for more thorough cleaning. Create a clean and clear water environment for your fish. Specification: Item Type: Aquarium Hang On Filter Material: PVC Use: Fish Tank External Waterfall Filter Power: 4W Flow Rate: 400L/H Applicable Fish Tank Size: Within 50cm / 19.7in Size: Approx. 14x38cm / 5.5x15.0in. Package List: 1 x Filter Body1 x Instruction Manual1 x Oil Removal Membrane Filter Head1 x Flower Basket Pipe1 x Three Way Water Pipe1 x Right Angle Pipe1 x Connection Pipe1 x Connecting Head1 x Longer Inlet Pipe1 x Control Valve1 x Fixing Ring Note: Please allow some error due to manual measurement.