The 10CFK size 10 shaft mount reducer cooling fan is engineered to prolong the life of your shaft mount reducer by preventing it from becoming too hot. With a specialized blade design for maximum air flow and sustained efficiency, this fan is recommended for applications running in temperatures above 125 degrees Fahrenheit. For additional information or to get a quote on our size 10 gearbox fan, contact our customer service team, and we will gladly assist you!