30

2012

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01

Exhaust fan


 

exhaust fan

It is mainly installed on the wall or window for ventilation and exhaust.
1. One-way exhaust fan: When the exhaust fan is activated, the indoor dirty air or smoke can be discharged outdoors. When it is not activated, the shutter will automatically close to cut off external pollution.
2. Two-way exhaust fan: It can discharge the dirty air in the room outdoors, and can also inhale the fresh air in the room to achieve the purpose of two-way ventilation.
3. There are three shapes: square row, round row and pipeline type.
4. Dimensions: 15cm = 6 ", 20cm = 8",25cm = 10 ", 30cm = 12".

Keywords: Sanshe electrical switch socket