Vents Roof Ventilator, Wind Turbines Air Vents, Internally Braced Wind, Ventilating Fan, Exhaust Hood Vent, 304 Stainless Steel Air Round Hood, for Ventilation and Exhaust(7.9inch(200mm))

Ventilator, Stainless Steel Wall Air Vent, for Ventilation and ExhaustProduct Name: Roof VentilatorMaterial: Thickened 304 stainless steelProduct Color: SilverProduct features: the fan does not use electricity, no noise, can run for a long timePower: natural wind powerEasy to install: All the hoods are shipped as a whole, no assembly required, comes with installation accessories, easy to install, just take it out and fix it.Working Principle: Using the natural wind and indoor and outdoor temperature difference caused by air thermal convection, the rotation, so as to use the centrifugal force and negative pressure effect will be indoor not fresh air out.Wide range of applications: farms, machinery factories, roof chimneys, industrial plants, production workshops, kitchens, cafeterias, breeding industry, workshop ventilationVentilation, tile house, flue exhaust smoke and other areas

• Galvanized bearing: Cap Vent Round strong enough to withstand 200km/h wind speed and 100KG load without deformation or damage.
• Material:Dome Ventilator made of high quality 304 stainless steel, one-piece molding without deformation, smooth surface without sharp corners. The curved wind blade has less wind resistance and smoother rotation.
• Easy to install: all the hoods are shipped as a whole, no need to assemble, comes with installation accessories, easy to install, just take it out and fix it
• Windproof and rainproof: the fan blades of the range hood are specially designed and tightly arranged to resist strong wind, rain and foreign objects from entering.
• Wide range of applications: farms, machinery factories, roof chimneys, industrial plants, production workshops, kitchens canteens farming, workshop ventilation, tile houses, flue smoke exhaust and other areas