Our PVC Plastic UV Stabilized 500mm Wind turbine Roof Ventilators (Whirlybird) are designed for factories and industrial premises. As a result, these 500mm Whirlybird Roof Ventilators have two sealed bearings per unit. These Roof Extractors are tested with wind speeds more than 80km – 120km for more than 4 hours. Therefore these whirlybirds are ideal for factory and shopping mall ventilation.

500mm Wind Turbine Roof Ventilators Price (Whirlybirds)

• Air Capacity Removal | 4400m³h @ wind-speed 15km/h wind speed
•  Air Capacity Removal | 5800m³h @ wind-speed 25km/h wind speed
• Remove stale, unhealthy air
• Cooler in summer
• Reduce condensation

These ventilators are manufactured to the highest standards. Therefore our 500mm Whirlybird has a 5-year manufacturer guarantee. As a result, these Whirlybird ventilators will last for many years. Ensuring factories are cooler with natural fresh air.