Air Guard AG-800 is it worth it?

Air Guard AG-800 has been given a great review written by Craig Anderton, Full Compass

if someone infected with COVID-19 sneezes in your face, having sanitary surfaces won’t help—but when the droplets hit the ground, those sanitized surfaces will help the next person. When I see images of people scrubbing down airplanes and restaurants with sanitizers, I can’t help but think something like the AG-800 is a simpler solution.