SolarStar RM1600 is equivalent to 15+ wind vents/whirly birds.
This will suppress heat build up and battle moisture, the solar star is the ideal roof ventilation solution that keeps you cool!
SolarStar Roof Ventilator by Solatube - The Solar Star Roof Ventilation System draws hot air and moisture out of the roof space and discharges it to the exterior. This robust roof mount system is designed to accommodate even the most expansive roof spaces. For example: steep sloped roofs with smaller area, steep sloped roofs with larger area or low sloped roofs with larger area.