FEATURES:
- Product Type: Rotary Roof Ventilator / Turbine Ventilator (commonly called a "Whirlybird").
- Model/Size: 400 (Indicated by "Powerful wind ball- side 400"). This number typically refers to the 400mm throat diameter—a common size for larger residential homes or standard commercial/factory spaces.
- Power Source: Natural Wind-Powered (No electricity required). The wind causes the vertical vanes to spin, which creates a negative pressure (a vacuum) inside the throat, actively drawing air out of the building.
- Material: Metallic (Likely Stainless Steel or Aluminum, based on common industry practice for durability, corrosion resistance, and light weight).
- Design: Features a dome-shaped head with rotating vertical vanes, designed to be waterproof and repel dust.
- Primary Benefit: Provides cost-effective and continuous ventilation to:Cool the roof cavity in summer, lowering indoor temperatures and reducing air conditioning load.Remove moisture/condensation in winter, preventing structural deterioration and mold growth.
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数量
6+
现价
R300,39
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