According to the data provided by the World Health Organization (WHO), more than 3.8 million people die every year due to high exposure to indoor air pollution.
That clearly shows the importance of purifying the air inside your home, and air purifiers are pretty handy in this case. However, typical units may sometimes not be enough, especially for people who are even more at risk. These include those with pre-existing health and breathing problems, or who are extremely sensitive to allergens lurking in the air!
This is where a medical grade air purifier may be needed!