There has probably been more discussed about airborne particles in the last two years than in the twenty years before, and for understandable reasons.

The dangers to health of airborne viruses and other contaminants, however, were known long before the COVID-19 pandemic, as was the fact that the quality of indoor air also has a direct influence on both the cognitive performance and well-being of people. HVAC systems and open windows have traditionally been the way to deal with this problem. Now, attitudes are changing, which is hardly surprising, given the fact that some billion personal air filters (in the form of protective face masks) were consumed monthly.

We are committed to cooperate with TTRI to provide the equipment and sample testing services required for masks, air filters and other materials.