General description Brand new and high quality, this 4X 600L/H Mini Aquarium Fish Coral Tank Internal Hang On Driven Air Skimmer is designed for aquariums less than 300 liters. It utilizes protein separation in the venturi to effectively remove dirt and waste, which are collected in a large upper container. Technical specifications Flow rate: 600L/H Cup size: 8*23 cm Wood size (L*W*H): 5x2x2 cm (1.97 inch x 0.7 inch x 0.7 inch) Tube length: 49 cm (19.29 inch) Material: Plastic Compatibility and accessories Suitable for aquariums less than 300 liters Requires an existing air pump (not included) Includes suction cups, wooden air stone, and 49 cm long hose Installation No complicated assembly is required; simply attach the suction cups to the inner wall of the aquarium and it is ready to use. Usage The wooden air stone generates fine bubbles that separate proteins and waste in your aquarium. For optimal bubble production, it is recommended to use an air pump with a power of less than 5W.