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

Winix Filter B (114190)

Winix Replacement Filter B. Part 114190. Replace the entire cassette every 12 months. Fits 1 model.

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Opens an Amazon search for Winix Filter B 114190. Check the listing says 114190.

Fits these models

Part numbers

Genuine part
114190
How often
Replace the entire cassette every 12 months
What is in it
washable pre-filter; True HEPA; washable AOC carbon filter

Sources

  • Which filter fits winixamerica.com Maker's own page checked Oct 1, 2026
    Filter B – 114190: Compatible with Winix air cleaner models 9500 and U300
  • How often winixamerica.com Maker's own page checked Oct 1, 2026
    replace the entire cassette every 12 months
  • What's in it winixamerica.com Maker's own page checked Oct 1, 2026
    Washable Pre-Filter ... True-HEPA filtration ... Washable AOC™ Carbon filter; This filter is sold as one unit and individual components cannot be purchased separately