Feature: 1. MULTIPLE MODES: The internal filter of the aquarium has rainfall, aeration and circulation modes, you can connect different accessories to choose different modes. 2. ADJUSTABLE: You can adjust the water flow and the direction of water flow according to your needs, you can also connect a hose to the outlet for water change. 3. OXYGENATION AND WAVE MAKING: High efficiency oxygenation, rainfall water flow, imitation ecological wave making function, high strength wearable rotor, silent operation. 4. REPLACEABLE FILTER MEDIA: Fish tank internal filter has a large capacity filter box with filter cotton, which can be replaced or added, and the biochemical filtration with multi layer cycle, which is cleaner. 5. MULTIFUNCTIONAL: This submersible power filter not only has the functions of wave making, oxygenation and filtration, but also can be used as a pump to change water for the fish tank. Specification: Item Type: Aquarium Internal Filter Material: Plastic Application: Aquarium Wave Maker Filter Pump Power: 15W Flow Rate: Maximum 1000L/H Lift: Approx. 1.4m/4.6ft Suggested Tank Size: Within 80cm/31.5in Suitable Tank Capacity: 90-180L. Package List: 1 x Aquarium Internal Filter2 x Filter Cotton 1 x Hose Regulator Valve 4 x Suction Cup 2 x Rainfall Pipe 2 x Water Outlet 1 x Connection Fitting 1 x Instruction Manual