Best Prime Day air purifier deals: Save on Coway, Levoit, Blueair

When you buy through our links, Business Insider may earn an affiliate commission. Learn moreFor October Prime Day, some of our favorite tested air purifiers from Levoit and Blueair are on sale.Lauren Allain/Business InsiderAs winter approaches and we spend more time indoors, I start thinking a lot more about the air I'm breathing at home. Thankfully, a good air purifier can help capture smoke, smog, and pet dander before you breathe it in. Right now, there are excellent air purifier deals among