best air purifiers on the market at a discount with Molekule's sale.For one last day today, the Molekule Back to School Sale is discounting both of the brand's sleek and high effective air purifiers. Whether you have a kid heading off to class or simply are just looking to breathe easy, you don't want to miss these air purifier deals to get $50 off the compact and portable Air Mini+ and $200 off the larger Air Pro.Shop the Molekule SaleThe first day of school is go-time for parents, but it's also go-time for germs.