12'' UL certificated electrical portable air ventilation duct fan

-Material: 1. hot-dipped galvanized ventilation fan shell.

               2. 7 blades of aluminum alloy impeller.

            3. international standard high quality copper wire motor which can afford the long-time running.

          4. better heating rediation motor shell.

        5. dustproof zinc coating fan guard.

-Structure: handle with cable and one-piece switch is on top of  the portable ventilation duct fan, at the end there're four legs with the shockpoof plastic foot.

1.  the switch is under the handle. 

2. with the waterproof American plug.

Application

with our matching flexible ventilation duct, the portable ventilation duct fan can be used for supply and exhaust in long-distance or deep working place.

-the communication cable maintance

-ship building and repairig

-municipal underground engineering

-big capacity tank container

-chemical industrial factory

  - OEM service is available, R&D department would serve on customer's special ideas.