Deton FE4-50 floor fan, 20'' made entirely of steel for excellent durability and long service life. Features powerful 110W motor capable for 5000 hours of continuous failure free running and 3 aluminum blades for strong and uniform air flow with low noise. In addition, features large metal base which offers tip-over safety and its well-designed grill offers maximum safety with minimal airflow loss, while its overheat protection offers safe operation for extended operating hours.