2377 direct drive ventilators products are offered for sale by suppliers on Alibaba.com, of which axial flow fans accounts for 55%, centrifugal fans accounts for 18%, and other ventilation fans accounts for 7%.
A wide variety of direct drive ventilators options are available to you, such as plastic, metal and steel.You can also choose from electrical, manual direct drive ventilators,as well as from return and replacement direct drive ventilators