304 Stainless Steel, Ventilating Fan, Wind Turbine, Cap Vent Round, Dome Ventilator, Exhaust Hood Vent, Wind Turbines Air Vents, Whirlybird Turbine, 12-Inch Outdoor Exhaust Vent, For Ventilation And E

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Vent connection size: 4.3 inches (110 mm), 6.3 inches (160 mm), 7.9 inches (200 mm), 9.8 inches (250 mm), 11.8 inches (300 mm), 15.7 inches (400 mm) 110mm~250mm models are equipped with clamps to prevent gaps during installation, 300mm~400mm models are equipped with fixed feet for installation Improve Indoor Air Quality: Stove and Fireplace Chimney Caps can effectively block downdrafts caused by high winds, allowing you to breathe fresher air. This flue cover for fireplaces and wood stoves is cleverly designed to prevent warm air from escaping from the duct. Product Design: The galvanized drum is strong enough to withstand wind speeds of 200 km/h and loads of up to 100 kg without deformation or damage. The curved blades ensure that rainwater will never penetrate under operating conditions. High exhaust efficiency, light operation, and protection from rainwater intrusion. Widely used in: farms, machinery factories, roof chimneys, industrial plants, production workshops, kitchen canteens, farms, workshop ventilation, tile houses, flue exhaust and other fields Easy installation: All fume hoods are delivered as a whole, no assembly is required, and installation accessories are included. The fume hoods do not need to be assembled, just disassemble and install them to the required location.