Turbo Air Ventilator - Stainless Steel & Color Steel Plate | Natural Wind Driven No Electricity Cost Unique Variable Angle Design For Enhanced Efficiency

Supported by huge market experience we "Qingzhou Yongsheng Machinery Co. Ltd" are the famous Exporter Manufacturer & Supplier of Turbo Air Ventilator in Qingzhou Shandong China.
Blade Material: Stainless Steel Color Steel Plate
1.No power ventilation fan use natural wind driven or air heat convection caused by Indoor and outdoor temperature difference to push turbine run then exhaust the indoor not fresh air by centrifugal force and negative pressure.
2.Curved blades are the best results of scientific calculation and it can ensure no rainwater intrusion.
3.Unique variable angle tube suit for any industry workshop poultry farm high buildingresidential houses etc. Better improve work environment and enhance work quality and efficiency.
4. Nature wind drivesoperating in 24hs the whole day. Environmental protection energy saving andA no electricityA cost.