Today only, May 12th, Home depot take up to 23% off Winix Air Purifiers and Dehumidifiers! Plus, you’ll score FREE shipping too! These are one of those more expensive purchases that you may have been holding off on. This sale would be a great one to take advantage of. You can get the highly rated NK100 Tower Air Purifier for only $229 shipped! (Reg. $290.99) This is only while supplies last, so you’ll want to grab yours soon.