https://www.ebay.com/itm/1363530193...-0&campid=5337259887&toolid=10001&customid=d0 Winix C535 True HEPA Air Purifier w/ PlasmaWave Technology (Open-Box) for $63 - $11.34 when you apply coupon code BRANDS4YOU at checkout - $6.30 automatic discount at checkout = $45.36. Shipping is free.