I wouldn't jump to the assumption that company has found the answer either. Plenty of companies are piling on to get their products out there. There seem to be different ideas cropping up as to what might work and what doesn't. Might wait for the CDC to comment first before sinking money into some of the high priced appliances being touted.
I assume companies like GE and Honeywell are working on their versions as well.
I will ask u the same i read tech i like were it going and willing to gamble i not on board to be negative or sell this just want to be along for a rocketship ride like everyone else here to make money but i do belive in this product from recearch and going to buy the airfit for when i go out because i have issues with regular masks there always going to be other companys just like cloths shoes ext there enought sales foe all buisnesses to eat just if get contract because this company farther than that company to supply schools that r going to be opening before that company gets rolling