Powerful wind ball-500/1*10

FEATURES:

• Product Type: Rotary Roof Ventilator / Turbine Ventilator (often called a "Whirlybird").

• Model/Size: 500 (Indicated by "Powerful wind ball-500," which typically refers to the 500mm throat diameter—a common industrial/commercial size).

• Power Source: Wind-powered (no electricity required). It uses the rotation of the vanes to create a vacuum, drawing air out.

• Material: Metallic (appears to be a reflective galvanized steel or aluminum, common for durability and weather resistance).

• Design: Features numerous rotating vertical vanes mounted on a central spindle, and a circular base for mounting onto the roof curb or ducting.

• Primary Benefit: Provides continuous, low-cost ventilation, which helps to:

  • Remove trapped heat from the attic in summer.

  • Reduce cooling costs.

  • Prevent moisture build-up and mold growth in winter.