The Green-Vent Wind Driven Ventilator- a low cost ventilation alternative that utilizes the "wind" as energy source
The Green-Vent Wind Driven Ventilator efficiently ventilates any building using wind power.
Wind Driven Roof Ventilator Size = 300mm Weather Grade Aluminium Quality Design Excellent Performance
Ideal and Green Ventilation for Mining Warehouses
The Safer way to access your roof!