?The innovative AIR? Micro Ventilator is designed to maximise comfort while wearing the Smart Mask in harsh work conditions. The AIR? Micro Ventilator snaps on to the Smart Mask, transforming the mask into one with better performance and comfort. A world’s first, the AIR? Micro Ventilator extracts heat, moisture and accumulated CO2 from within the mask, while circulating cool and fresh air as you work.The innovative AIR? is lightweight and rechargeable by micro USB. It can reduce relative humidity inside the face by up to 40%, reduce temperature by up to 4oC and bring carbon dioxide levels within the mask down to a mere 0.08%.