The shell is made of ABS plastic with good waterproof performance and adopts new internal noise reduction technology to reduce vibration generated by the machine. It can be placed anywhere for quiet operation. The rotor of this product is made of ceramic, the smooth surface and the removable design make it easier to clean and ensure a longer service life. Suitable for aquarium water pumps, air conditioner water pumps, engraving machine water pumps, craft water pumps, garden fountains and other accessories related to aquatic products. Easy to use and replace, just remove the filter head, open the bayonet lock on the rotor cover, remove the faulty rotor coupling and bearings and replace them by a spare rotor with new bearings. > Description: Durable. Brand new and high quality. If your turbine is damaged and the pump/filter no longer works, it can be replaced directly. The tool operates quietly, effectively saves energy, improves work efficiency, and provides you with a quiet environment. Specifications: Hardware: Ceramic Color: Black Dimensions: total length 69mm, see photos for more dimensions Package Contents: 1 Replacement Filter Turbine Note: Due to differences in lighting and screen settings, the color of this item may differ slightly from the picture. Please allow slight size differences due to different manual measurement. "Note: The data are all manual measurement, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending the physical object received Delivery Quantity: (according to the main image)