Feature: 1. [Safe And Efficient] Aquarium wall hanging filter with dense filtration port at the bottom, extra long extension pipe can better clean the bottom of the tank and also prevent small fish and shrimp from being inhaled. 2. [With Surface Skimmer] Fish tank wall hanging filter with unique surface skimmer, can effectively remove oil film and scum on the water surface, easily restore clean water quality. 3. [Activated Carbon Filter Plate] With activated carbon biochemical filter plate, made of microporous filter cotton and activated carbon particles, which helps to continuously remove odor and excrement. 4. [Adjustable] Hang on waterfall filter with adjustable flow rate, different kinds of fish need different strength of water flow, just dial the adjustment valve to easily choose the right water flow. 5. [Increase Oxygen] This aquarium hang on filter with waterfall design increases oxygen and saves more effort. Suitable for a variety of fish tanks, recommended for fish tank sizes up to 80cm. Specification: Item Type: Aquarium Hang On Filter Material: PVC, Activated Carbon Size: Approx. 38 x 15 x 18.5cm / 15 x 5.9 x 7.3in Use: Fish Tank External Waterfall Filter Power: 5W Flow Rate: 500L/H Applicable Fish Tank Size: Within 80cm/31.5in . Package List: 1 x Aquarium Hang On Filter Body1 x Instruction Manual1 x Oil Film Filter Head1 x Basket Pipe1 x Three Way Water Pipe1 x Right Angle Pipe1 x Connection Pipe1 x Connection Head2 x Longer Inlet Pipe1 x Control Valve1 x Fixing Ring2 x Filter Plate Note: Manual measurement, please allow some errors.