Be composed of housing, impeller, motor and base.
The duct in line-fans have a housing and base of steel protected with power painting
The impeller are made of painted steel or aluminum
It's minimized noise and vibration by keeping electric balance. It's designed as the smallest size and the lightest weiht for active air stream.
It can be used for the purpose of supply and discharge of air and it can be installed in any angle depending on position of duct.
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At least 10~1000 characters.