I have spent hundreds of hours researching about the best air purification and air quality improvement gear on the market. The items I show you here are battle-tested and can be recommended without any doubt.
That said, do note that these items are not necessarily all the highest-end items. My goal on this page is to recommend gear that is priced really well while still maintaining a high-quality standard. This is the stuff I use or I would use if I was in a situation where I needed to.