Commercial radial fan designed for organizing local or general supply and exhaust ventilation systems with a developed network of air ducts. The body is made of cold-rolled steel and is protected from corrosion by powder painting. The impeller is made of galvanized steel with forward-curved blades. The inlet flange is protected by a metal mesh from foreign objects. The BURAN 260 4K M L fan has a four-pole motor, the outlet is located to the left relative to the motor axis.