Home Slickdeals Winix Genuine Replacement Filter S 2-pack for C545 Air Purifier $59.99 at... Slickdeals Winix Genuine Replacement Filter S 2-pack for C545 Air Purifier $59.99 at Costco By ARCOM - 7 November 2023 27 0 SHARE Facebook Twitter Go to the deal page: Winix Genuine Replacement Filter S 2-pack for C545 Air Purifier $59.99 at Costco