Blauberg duct fans with backward curved aerodynamic impeller blades designed as freewheels fans that could be installed at any directions by extremely compact size, and optimized output air performance without scroll housing necessary to have.

Blauberg Axial fans​ adopt both metal welding and single-piece plastic with glass fiber reinforcement aerodynamic impeller, compact energy-saving smart EC motor drives it with maintenance free ball bearing to guarantee longer lifespan.

（1）Centrifugal Fans with Support Bracket, Technical Features OverviewOne-plug Easy-mounting with Higher Efficiency Blauberg centrifugal fans with support bracket, adopt both metal rivetstructure or welding and single-piece plastic with glass fiber reinforcement aerodynamic impeller, compact energy-s

（1）Centrifugal Fans, Forward Curved，Technical Features Overview Higher Air Pressure with Lower Noise and Power Consumption Blauberg centrifugal fans with forward curved impeller designed as freewheels fans, with and without scroll housing optional. The fans could be installed at any directions by ex