Stainless Steel Roof Wind Turbine Cap Vent - 8 Inch - Easy Install Exhaust Cap for Efficient Ventilation - Durable Rotating Roof Vent

Name: Roof VentilatorZero consumption: Utilizing natural wind and air-heat convection driven by the temperature differential between indoor and outdoor, this roof ventilator uses centrifugal force and negative pressure to expel stale air from the room.Material: 304 stainless steelSizes available: 100mm/4in, 150mm/6in, 200mm/8in, 300mm/12in, 350mm/13.8in, 400mm/15.8in, 450mm/17.8in, 500mm/19.6in, 600mm/23.6inThe mounting nozzle is slightly smaller than the vent pipe for easy installation. Please refer to the dimensional drawings and choose the appropriate size for your needs.Note: Product measurements are manual and may have a 2-3cm error. Due to variations in light and screen settings, the color of the item may appear slightly different from the picture.

• Material: Made of high-quality 304 thick stainless steel, galvanized support frame, high-quality ball bearings
• Features: zero consumption, zero noise, rainproof, rustproof, high hardness, corrosion resistance and long service life.
• Working principle: Using natural wind and air thermal convection caused by the difference between indoor and outdoor temperature, the turbine is driven to rotate, and the stale indoor air is discharged.
• Installation: The hood is equipped with two types of installation accessories, a clamp and a 90° fixed foot. Small sizes can be installed with clamps to prevent gaps, and large sizes can be fixed with 90° fixed feet.
• Application: Suitable for ventilation ducts, chimneys, farms, factory roofs, warehouses, etc.