Ben Gurion University’s new laser-induced graphene (LIG) air filter (reported here previously) is now being commercialized by Israeli startup company LIGC. The porous graphene acts like an electric fence that zaps any airborne bacteria or virus. It is more effective than UV-C and fiber HEPA filters.
https://unitedwithisrael.org/israeli-laser-tech-kills-corona-germs-in-the-air/