Many residential and commercial HVAC systems and standalone air purifiers use filters that contain a form of antibacterial/antimicrobial chemical treatment (eg. Bionaire/Holmes models use the Microban/triclosan treatments). Is the usage of such chemicals on the filter surfaces truly safe for the inhabitants' long-term health? Is there any risk of evaporation/transmission of any of the antimicrobial chemicals into the outflowing air, and thus risk of potential health risk due to the inhalation of these substances? Or do these chemicals dissipate so quickly that there is ~zero net chemical or evaporative outflow after a few days' worth of usage?
Thanks,
Michael