Backward curved external rotor duct fan

Backward curved round duct fan

Duct type axial fan with external motor

Outboard duct fan

Backward curved duct fan

Close-bladed rectangular duct fan with external motor

Rectangular duct fan with external motor

Acoustic insulated rectangular duct fan with external motor, backward curved inlet and outlet

BYPASS 3 FILTER DUCT SHELTER FAN

DUCT SHELTER FAN WITH 2 FILTER