Description:You can easily find that it prevents small fish or impurities from being sucked into the inside with safety filter and wall-mounted design is very convenient to use and save space.It is the filter that is characterized by three layers filtration design, which enables it to efficiently filter small debris in the water, decompose fish manure and remove odor.It is constructed of plastic material.The length of this product is 11cm and width is 5.5cm. It is suitable for different types of tanks, such as freshwater fish tank, sea water aquarium or amphibian tank.Item Name: Fish Tank FilterMaterial: Plastic Features: Three Layers Filtering, Suction Type, Ultra-quietSize Details:L: 11cm/4.33", W: 5.5cm/2.17"(Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Tips: The oxygen pump must be higher than the fish tank, if lower than the fish tank, install check valve to prevent water backflow; the oxygen pump should not be immersed in water, it is recommended to pad a cushion under the product to reduce noise and vibration; when the voltage is too low to the oxygen pump cannot start normally, adjust the rated voltage for the product to work normally; ensure that the local voltage supply matches the working voltage of the product; when installing or removing the product, unplug the plug and cut off the power supply. Package Includes:1 x Fish Tank Filter