Features: Keep your fish tank clean and healthy with this wall mounted 3 in 1 filter, featuring silence external waterfall designed and compact size . Made of durable plastic, this filter combines filtering, circulations, and oxygenation functions in one easy to use package, making it perfect for small aquariums. Designed for pet owners who want to maintain a healthy environment for their fish or underwater pets without taking up much space. Wonderful for use in homes, offices, or any other indoor setting where space is limited but the desire for healthy, beautiful aquarium is not. With its fashion designed and efficient operation, this filter is the perfect addition to any aquarium setups. Voltage 220v. Specifications: Material: Plastic Size: Double Box: 18.2x10.5x8cm/ 7.16x4.13x3.14in Three Box: 24.2x10.5x8cm/ 9.52x4.13x3.14in Four Box: 30.8x10.5x8cm/ 12.12xx4.13x3.14in Package Includes: 1pc Fish-Tank Filter Device note: 1: Please allow 1-2cm errors due to manual measurement, ensure that you do not mind before you order. 2: Due to the difference between different monitors, the picture may not reflect the actual color of the item.