Exact model stated by the manufacturer
WINIX C545 replacement filter
Documented OEM reference: Filter S · SKU 1712-0096-00
WINIX names C545 as the compatible purifier for Filter S / SKU 1712-0096-00.
Limits. The source supports Filter S for C545. It does not establish that similarly named Winix units share this part.
Source market: US · Checked 2026-10-19. No stock, price, or seller claim is made. Fit is not filtration performance.