Window fan

•	Designed to the most converint seeonomical method of ventilation
•	Special hammer paint
•	Silicon sheet , 99 copper wire, double Z ball bearing
•	Noiseless , shock proof.
•	Low energy consumption
•	Work in worst conalition

Mechanical revolving blade fans are made in a wide range of designs. In a home you can find fans that can be put on the floor or a table, or hung from the ceiling, or are built into a window, wall, roof, chimney, etc.