I’m big on air purifiers. I have allergies and I also can’t stand to be in a place with dry air so I try to do everything to keep my air as clean as possible. Besides, who would want to breath in a bunch of wastes? Blueair offers air purifiers that you can buy online. All of the purifiers have great ratings and most of them come with free shipping. The prices start at $99 so if you are looking for a purifier that just may be the place for you.