non-power fan Ampelair880

Products Name:energy sav
Quantity:unlimited
Packaging:according
Full Size:made of st
Place of Origin:Shanghai

1Non-power natural ventilation fans are favored by many businesses for their energy-saving and environmental protection, the 880-type fan with its large-caliber breathing ability is especially favored by chemicalplastic and other special Industries.
2Its high-quality body can withstand long-time wind and rain; resist the erosion of corrosive gases indoors. It can be durable eternal lubricant and no maintenance for its excellent low resistance sealed bearings.
3Wave-shaped leaves is designed based on the accurate hydrodynamics principle, increased the interface and angle between the fan and wind. It also can get a greater rotational force in the breeze, avoiding the wind of all direction into the air duct, accelerating the rotation speed of the turbines with all direction wind which takes an .