Amazon with Smartmi has the Smartmi P1 Smart HEPA H13 Air Purifier w/ App Control for $180 - $10 off coupon (check "Apply coupon" box) - $45 off with coupon code BENSLOVE [Exp 5/29] = $125 with free shipping.

Get a Ninetygo 20" Suitcase ($60 value) for free with purchase when you follow the steps here (first 1000 orders).