Fits checked Oct 1, 2026 · How we check
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Winix · air purifier filter

Winix Filter C (113050)

Winix Replacement Filter C. Part 113050. Replace True HEPA every 12 months; carbon filter every 3 months. Fits 1 model and their listed variants.

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Opens an Amazon search for Winix Filter C 113050. Check the listing says 113050.

Fits these models

Part numbers

Genuine part
113050
How often
Replace True HEPA every 12 months; carbon filter every 3 months
What is in it
True HEPA; activated carbon pre-filters (4-pack)

Sources

  • Which filter fits winixamerica.com Maker's own page checked Oct 1, 2026
    Filter C – 113050: Compatible with Winix air cleaner models P150 and B151
  • How often winixamerica.com Maker's own page checked Oct 1, 2026
    change the True HEPA Filter once every 12 months and the Carbon Filter once every 3 months
  • What's in it winixamerica.com Maker's own page checked Oct 1, 2026
    True-HEPA filtration ... 4 pack of disposable Activated Carbon Pre-filters