Reliable performance Made from durable plastic with a stainless steel shaft, this rotor delivers long lasting reliability and wear resistance for dependable use over time. Adjustable shaft cores for flexible fit Designed to easily accommodate different length requirements, this rotor is compatible with a wide range of submersible pumps. Optimized water circulation Carefully engineered to improve water flow efficiency, it helps maintain a clean and vibrant aquatic ecosystem in your aquarium. Quiet operation Featuring rubber ends, the rotor runs quietly to keep the ambient sound level of your setup calm and unobtrusive. Use scenarios - Replace a worn rotor in a compatible submersible pump to restore efficiency and extend pump life. - Fit the rotor across multiple pump models with adjustable shaft lengths to simplify upgrades and maintenance. - Install in small to mid sized aquariums where enhanced circulation and low noise are desirable for a healthy, visually appealing tank.