Non Power Roof Ventilator, 12in 304 Stainless Steel Turbine Ventilator Vents Cap, for Houses Factory Attic Farm, Wind Turbines Attic Air Vent Ventilating 300mm

Product Specifications： Name：Roof Turbine Ventilator Material：304 Stainless Steel Advantages：Discharge indoor hot air and dirty air, purify the indoor environment Principles：Utilize natural wind and indoor temperature difference, air -to -flow drives turbines rotation. Eliminates the old air in the room with centrifugal force and negative pressure. Application：For the ventilation of exterior walls such as bathrooms, kitchens, warehouses, residences, apartments, etc. Product Size: 100mm - 4in, 110mm - 4.3in, 150mm - 6in, 160mm - 6.3in, 200mm - 8in, 250mm - 10in, 300mm - 12in, 350mm - 14in, 400mm - 16in, 450mm - 18in, 500mm - 20in, 600mm - 24in, 800mm - 32in Packing list: Vent hood x 1 Note: 1. The product is measured manually and may have an error of 2-3cm. 2. Due to differences in light and screen, the color of the item may be slightly different from the picture.

• 【 Stainless Steel 304 Roof Vent 】：The roof turbine vent made up of thickened stainless steel material which will not rust, sturdy and rainproof, high hardness, and long service life. It can withstand high temperatures, making it suitable for harsh environments.
• 【 Roof Turbine Vent】：Roof Turbine Ventilator blade tight wind strong, stainless steel blade closely arranged, strong wind without rain leakage, galvanized bearing material, withstand the wind speed higher strength, stronger load pressure, not easy to damage deformation.
• 【 No Noise Roof Ventilation 】：No Noise Roof Ventilation The roof vent turbine makes no noise during rotation.The encrypted blade clearance is small enough to prevent rainwater from entering the ventilation system.It also deters birds and rodents.
• 【 Roof Vents for Houses 】：With its internally braced wind turbine, our Roof Ventilator is built to last. This turbine vent is widely used in the ventilation of large plants, warehouses, stadiums, animal farms, high-rise buildings and residential buildings etc.
• 【 Roof Wind Turbine 】：The turbine vent is no need to assemble, you just take it out and install it where you need it. With the flexibility to be installed under slopes ranging from 0 to 22.5 degrees, setting up this ventilator is a breeze.