Features:1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Replacement part have rotor, shaft and bearing.4.It is a miniature filter impeller, miniature submersible pumps dedicated.5.Made by plastic, metal and magnets.Specifications:Material: Plastic + MetalSize: 73x35x16mm/2.87x1.38x0.63inch(LxWxDIa)Total length with cover: 75mm/2.95inchColor: Yellow(Main)Weight:30 gNote: The color of the item may vary slightly due to photography and your own computer.Package include:1 x 16mm Submersible Pump Rotor