Home Slickdeals Winix Replacement Filter S for C545 Air Purifier – $34.99 Slickdeals Winix Replacement Filter S for C545 Air Purifier – $34.99 By ARCOM - 4 August 2022 44 0 SHARE Facebook Twitter Go to the deal page: Winix Replacement Filter S for C545 Air Purifier – $34.99