Silent Aquarium Filter External Fish Tank Filter Aquarium Sponge Biochemical Box Upper Filter Oxygen Fish Aquarium Accessories Product Name: Aquarium Fish Tank Top Filter Applicable to: Fish Tank, Aquarium Voltage: 220v-240v 50HZ Power: 12W, 25W Power Supply Line length: 100cm Flow rate: 12W-800L/H, 25W1750L/H Function: Powerful Packing: 1 X filter box, 1 X filter box partition, 1 X water inlet pipe, 1 X straw, 2 X biochemical sponge, 1 X conversion plug (Some other accessories) Power cord plug: European plug, Australian plug, American plug (with a conversion plug) No.: PCFP21X25A67X28A37X30J800K13X15X20L The product contains 2 pieces of biochemical filter cotton and does not contain other filter materials, such as filter stone 220-240V 50Hz only ( United States, Canada, Mexico, Brazil, Japan) Please do not buy) Use with caution (Note): 1. This submersible pump can be used for water pumping, oxygen spraying, filtration and other purposes. 2. Suitable for use in fresh water and sea water, it has many advantages such as safety and durability, ultra-quiet, energy-saving and efficient, and easy maintenance. 3. The surrounding water temperature needs to be below 35 degrees Celsius or 95 degrees Fahrenheit. 5. Fit can only work underwater, completely submerged in water to prevent the pump from burning out due to heat. 6. Please let the pump rest for 2 to 4 hours every day. Clean the internal rotor once a month. 7. The biochemical filter cotton can be cleaned, but in order to ensure the filtration effect of the fish tank, it is recommended to replace it regularly. Scope of application: Suitable for water circulation and biochemical filtration in various aquariums and water purification in ecological pools to increase the oxygen content in the water. Note: 1. When disassembling or cleaning the submersible pump, you must first unplug and cut off the power supply2. When the voltage is too low, the motor will make a "clicking" sound, which indicates that the motor cannot start, but is not the cause. Only by increasing the voltage (above 190V) can it work properly. 3． When the water or oxygen content is significantly reduced, the pump and filter material should be cleaned in time; 4. The maximum depth of the pump immersed in water is 0.5m. The shapes or patterns may sometimes change slightly due to different production batches, but the quality, materials, and performance are exactly the same. Please note: Please allow slight errors in measurement due to manual. Due to the difference between different monitors, the color of the picture may vary; due to long shipping time, the item may be lost or damaged in transit, if this happens, please contact us immediately before leaving feedback or raising a dispute, thank you understanding.