Specification: Material: CeramicColor: BlackSize: please see the pictureSize: total length 90mm, more sizes refer to the picturesPackage includes :Replacement impeller for filter 1 pieceNumber of pieces delivered: 1 Product Description Made of high quality ceramic, eco-friendly and durable material, wear resistant and corrosion resistant, certified by CE, ROHS, for long-term use.The outer shell is made of ABS plastic with good sealing and new interior noise attenuation technology to reduce noise. vibrations generated by the machine. It can be placed on any location for quiet operation.The rotor of the product is made of ceramic, smooth surface and detachable design make cleaning easier, ensure longer durability.Suitable for Aquarium water pump, air conditioning water pump, carving machines water pump, craft water pump, garden fountains, and other relevant aquaric product accessories. /li>Easy to use and replace, simply remove the filter head, open the bayonet lock of the rotor cover, take out the defective rotor with axle and pads and replace it with a new replacement rotor with new pads. luckymeet Note: Due to manual measurement, the size may have an error of 2 cm/1 inch; Due to different displays and angles, the color and size may be slightly different, thank you for your understanding! HANBING welcomes your purchase! We look forward to showing you your shopping experience.