The tornado water outlet nozzle is practical for creating a dynamic and engaging environment in your fish tank. Its unique design allows for the creation of swirling water currents, which can help to oxygenate the water and keep debris suspended for easier filtration. Simply attach it to your return pipe, and enjoy the of improved water movement and natural habitat for your fish. Features -Color:Black -Material:ABS -Size:12.30X2.80X2.40cm/4.83X1.10X0.94in -Optimal flow direction: the flat duckbill design ensures optimal control over the direction of water flow, circulation in your aquarium -Adjustable flow rate: the adjustable duckbill outlet nozzle allows you to finetune the water flow size, catering to the specific needs of your aquatic pets -Flexible installation: the bendable water hose facilitates easy installation and adjustment, allowing for precise nozzle positioning -Wide compatibility: this nozzle is compatible with a range of fish tanks and aquariums, making it a versatile choice for different setups -Healthier aquatic environment: by managing water flow and direction, this nozzle contributes to better water quality, supporting a healthier habitat for your fish Package list: 1pcs fish tank outlet duckbill