Features 1.Each joint can be rotated 360 degrees, you can arbitrarily create the direction of the water. 2.Made of quality plastic, which is practical and durable. 3.Wide use in aquarium, fish tank and pump. 4.Four specifications to meet your different needs. 5.They can make the water look like a tornado or waterfall. Specification Features: 1. Each joint can be rotated 360 degrees, you can arbitrarily create the direction of the water. 2. Made of quality plastic, which is practical and durable. 3. Wide use in aquarium, fish tank and pump. 4. Four specifications to meet your different needs. 5. They can make the water look like a tornado or waterfall. Specification: Condition: 100% Brand New Item Type: Water Outlet Tube Material: Plastic Weight: Approx. 26.6-31.2g Options: Small Duck Nozzle, Big Duck Nozzle, Small Tornado Nozzle, Big Tornado Nozzle Size Length Inside Diameter Outside Diameter Mouth Size Small Duck Nozzle 12mm/0.5in 20mm/0.8in 25mm/1in 29*9mm/1.1*0.4in Big Duck Nozzle 12mm/0.5in 16mm/0.6in 20mm/0.8in 29*9mm/1.1*0.4in Big Tornado Nozzle 12mm/0.5in 20mm/0.8in 25mm/1in 30mm/1.2in Small Tornado Nozzle 12mm/0.5in 16mm/0.6in 20mm/0.8in 30mm/1.2in Package list: 1 * Water Outlet Tube Package List