Amazon.com: Yiemoge True HEPA Replacement Filter Compatible with Winix C545 Air Purifier, Winix Model C545 P150 B151 113050 Filter S, Part Number 1712-0096-00 (3 HEPA Filters) : Home & Kitchen
Amazon.com: Genuine Winix 113050 Replacement Filter C for P150 Air Purifier : Home & Kitchen