Roof Ventilating Fan Roof Turbine Ventilator, Outdoor Houses Attic Vent Cap, Stainless Steel Rotating Roofing Wind Turbine, All Weather Wind Vents Turbines (Size : 200MM/7.8IN)

Stianless steel air vent capDesigned to release your roof air in just a few minutes, unaffected by rain and moisture, suitable for imneys that are not used frequently.This roof ventilator is a reliable rotating, automatic working, continuous and silent operation with maintenance costs.Construction:e & inner louver: High quality stainless.Size: 110MM/4.3IN , 160MM/6.2IN , 200MM/7.8IN , 250MM/9.8INColour: SilverWith waterproof padDescription:1. The e & blades are stainless steel construction with advantages of resistance and rigidity.2. This type of air vent is incorporated with a set of louver blades.3. There are inverted spring hooks located on the neck , whi are used to secure the device onto the wall or duct.4. There is air filter inserted.● Note: 1. Due to manual measurement, there may be a difference of 1-2cm.2. The reason computer resolution, there may be differences in color to the actual goods received prevail

• 【Stainless Steel Roof Wind Turbine】: The ventilator turbines made up of stainless steel material whi will not rus. zero energy, anti-rust, weather resistant, and long service life. it suitable for use in harsh conditions.
• 【Maintain Good Indoor Ventilation】The rotary vents cap equipped with a ball-bearing base, only a small amount of wind is needed to make it rotate automatically, and it is silent when rotating. Releases Your trapped air In your roofing space by as mu as 50 degrees in just minutes.
• 【Wide Application】Fan Wind Turbines with high sensitivity for keep the room ventilated around the clock, widely used in the ventilation of houses, attic farm, large plants, warehouses, stadiums, animal farms, high-rise buildings and residential buildings etc.
• 【Non Power, No Noises & Rain Proof】Roof vent fan has no noises during spinning. The distance between the downward protruding slats is small enough to prevent rain from entering the ventilation system.
• 【Easy to Install】You do not need to install. External installation provides more freedom. vent turbine can be installed with a hoop to prevent seams