Feature: 1. [Oxygenation And Cleaning] Stepped waterfall circulation oxygenation, dense water inlet at the bottom, extra long extension pipe can clean the bottom of the tank very well. 2. [Internal Filtration] Aquarium wall hanging filter with built in filter plate, with high efficiency filter cotton and strong adsorption activated carbon, which can effectively cultivate bacteria and filter impurities. 3. [Quiet] Fish tank wall hanging filter with quiet energy saving motor, strong power, low energy consumption, low decibel operation, enjoy bedroom level silence. 4. [Widely Applicable] This fish tank waterfall filter adopts multi section extended splicing tube, adapt to more fish tank height, suitable for fish tank size within 40cm. 5. [Oil Film Removal] Aquarium hang on waterfall filter also has a water surface oil film removal filter port, more thorough cleaning, to help create a clean and healthy tank environment. Specification: Item Type: Aquarium Wall Hanging Filter Material: PVC Size: Approx. 29 x 11 x 9cm / 11.4 x 4.3 x 3.5in Use: Fish Tank External Waterfall Filter Power: 3W Flow Rate: 300L/H Applicable Fish Tank Size: Within 40cm/15.7in. Package List: 1 x Aquarium Wall Hanging Filter Body1 x Instruction Manual1 x Oil Film Filter Head1 x Basket Pipe1 x Three Way Water Pipe1 x Right Angle Pipe3 x Connection Pipe1 x Longer Inlet Pipe1 x Control Valve1 x Fixing Ring Note: Manual measurement, please allow some errors.