Feature: 1. Multi Mode: Aquarium internal filter with rainfall, aeration and circulation modes, you can connect different accessories to choose different modes, with wave making, oxygenation and filtration functions. 2. Easy To Use: You can adjust the water flow and the direction of water flow according to your needs, and you can also connect a hose to the outlet for water change. Biochemical filtration multi layer circulation with full power. 3. Oxygenation And Wave Making: High efficiency oxygenation, constant flow of water bubbles, rainfall water flow, imitation ecological wave making function, high strength wearable rotor, silent operation. 4. Replaceable Filter Media: The fish tank internal filter has a large capacity filter box with its own filter cotton design, which can be replaced or added by yourself, and multiple filtration is cleaner. 5. Water Change Function: This submersible fish tank filter can also be used as a water pump to change water for the aquarium, pumping and changing water in one machine. Convenient and practical. Specification: Item Type: Aquarium Internal Filter Material: Plastic Application: Aquarium Wave Maker Filter Pump Power: 6W Flow Rate: Maximum 500L/H Lift: Approx. 1m/3.3ft Suggested Tank Size: Within 60cm/23.6in Suitable Tank Capacity: 35-80L. Package List: 1 x Aquarium Internal Filter Pump 2 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