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

Cap Vent Round, Exhaust hood vent, 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

• Rugged: Cap Vent Round thickened 304 stainless steel rotary fume hood for most standard fume hoods for effective wind protection and increased ventilation.
• Powerful: Dome Ventilator designed to release roof air in minutes, from rain and .
• Simple installation: Ventilation Outlet all the air caps are shipped as a whole, no need to assemble, with installation accessories, easy to install, just take it out and fix it
• Noise-free:Roof Ventilator rotates reliably, works automatically, and operates continuously and quietly, with curved airfoils encrypted blades to ensure that rainwater does not intrude while working. High exhaust efficiency Allows lightweight operation.
• 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