Home Slickdeals Winix C545 True HEPA 4 Stage Air Purifier with Wi-Fi and Additional... Slickdeals Winix C545 True HEPA 4 Stage Air Purifier with Wi-Fi and Additional Filter $100 @ Costco By ARCOM - 26 August 2023 23 0 SHARE Facebook Twitter Go to the deal page: Winix C545 True HEPA 4 Stage Air Purifier with Wi-Fi and Additional Filter $100 @ Costco