Air Cleaner Hot Tip. The best bang for the buck air cleaner is the Lorell 420, which if you look around can be had for ~$42. It's discontinued, so make sure you buy a few extra filters at the same time. However at this price it's cheaper per CFM than a CR Box!
https://www.officecrave.com/lorell-hepa-420-air-purifier-00204.html



