Found Replacement Filter for Winix c545 – $35

By | September 5, 2020 2:11 pm EST

The replacement filter for the Winix c545 is the "S filter" which is sold out everywhere.
After doing a deep dive on google looking for a replacement filter, I found that Winix makes another purifier that uses a similar filter as the c545.
It’s the Winix P150. It uses the same size filter as the "S filter". The filter number is "Winix 113050 Filter C"
Size comparisons:
p150 filter: 14.16 x 3.15 x 12.6 inches
c545 filter: 14 x 3 x 12.5 inches
It looks to be the same size filter, or very very close to it. I bought one this week to test it out, and it fits my c545 with no problem, wiggle or issues.
See the attached a photo.
Link to p150 filter:…79de2d236f

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