CERTIFICATION - NANO filter.MED.CLEAN
The effectiveness of the Nano Med Clean filter against viruses has been certified (VFE - Viral Filtration Efficiency) by the respected laboratory Nelson Labs in the USA. It is a thin textile containing a nanofibrous structure. Users can put it in a cloth drape to protect themselves all day long. It is lightweight and highly breathable, making it easier to breathe. Compared to other materials, it achieves a breathability of two hundred litres of air per square metre per second.