<ul><li>Galvanized RollerThe strength is strong enough to withstand the wind speed of 200km/h and the load pressure of 100KG without deformation or damage.</li><li>High-quality stainless steelMade of high-quality 304 stainless steel, onespiece molding without deformation, smooth surface without sharp angles, curved fan blades, less wind resistance and smoother rotation</li><li>Application scenariosSuitable for chimneys, farms, factory roofs, ventilation ducts, houses, warehouses, etc.</li><li> [Arc-shaped wind blades] can ensure that rainwater will never intrude under working conditions. High air exhaust efficiency, light operation to prevents rainwater intrusion</li><li>Variable-angle neck tube designThe ventilator can be installed on a 0-22.5 degree slope as you like, flat or inclined. easy to install</li></ul><br><br>

FENGZEQUAN Rotary Turbine Ventilator Rotating Chimney Cowl Cap,All Purpose Chimney Cowl, Stainless Steel Cowl Bird Guard Spinner Anti Downdraught Top All Purpose Chimney Cow (Size : 150mm/5.91in)