Each joint can be rotated 360 degrees, you can arbitrarily create the direction of the water. This duck flat nozzle is made of quality plastic, which is practical and durable. Long tube water outlet design, more convenient to use. It has 20mm duckbill nozzle and tornado nozzle for you to choice. They can make the water look like a tornado or waterfall. This 360°rotatable duckbill water outlet can be use in aquarium, fish tank and pump. It use with circulating pump or return pipe. This aquarium water outlet duckbill nozzle pipe is easy to install and operate, convenient to use.