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. 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 Included: 1 x Aquarium Hang On Filter Body 1 x Instruction Manual 1 x Oil Film Filter Head 1 x Basket Pipe 1 x Three Way Water Pipe 1 x Right Angle Pipe 1 x Connection Pipe 1 x Connection Head 2 x Longer Inlet Pipe 1 x Control Valve 1 x Fixing Ring 2 x Filter Plate