air multiplier fan

Summer is so hot.and there are more and mroe product were creatived by man.

It is not expensive but very useful.Like this air multiplier fan.

But this is not a normal fans.You must be very suprise about what is this ?
Fan?Come on ,there are no  leaf fans.how it is work and make airflow ?
This is amazing fact.

No leaf fan  is expected to bring fans the market revolution. not leaf fans, looks like a giant ring. It can produce a smooth airflow, and safety than traditional electric fan. It cleaned up much more convenient than traditional electric fans, do not have to clean the blades from dust filled with worry about the last. Like the traditional electric fans can swing 90 degrees. they’re safe and easy to clean. And they produce an uninterrupted stream of smooth air, with no unpleasant buffeting.