Usage:

1. suitable for tight center air-conditioner, water cooler air-conditioner.
2. suitable for ventilator collecting the common gas.

characteristic:

1. High efficiency, saving, electricity used is equal to 70%-80% of two single ventilators
2. Great flow (twice than two ventilators )
3. low profit( equal to 70% of two ventilators)

capability of product:

1. Flow range: 4600-24000m3/h
2. Pressure range: 320-500Pa