Plastics Outflow Connector Black Duckbill Nozzle For Aquarium Filter Outlet Tubes Fits For Most Filtersbrand new and Features: Installed on the outlet of the various types.Free to rotate in the direction of flow adjustment.Modular components offers flexibility and control directing water flow in your refugium, sump and aquarium.It is a essential tools for home fish for tank, aquarium.Specification:Material: PlasticSize: app.14cmx11.5cm/5.51''x4.53''Inner diameter: 20mmOuter diameter: 25mmColor: Black, BlueQuantity: 1 PcNote:1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package includes:1 x Aquarium Water Outlet Nozzle (without retail package)