Air Filter and Air Purifier

http://www.ebay.com/gds/Whats-the-Difference-Between-an-Air-Cleaner-and-Air-Purifier-/10000000177632771/g.html


Air Purifier


https://en.wikipedia.org/wiki/Air_purifier

http://www.airocide.com/filterless-technology/



Air Filter


http://www.popsci.com/tesla-air-filter-works-against-airborne-bioweapons


http://www.cnbc.com/2016/05/02/teslas-air-filter-eliminates-pollution-in-2-mins-or-less.html