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

Winix Filter A (115115)

Winix Replacement Filter A. Part 115115. Replace True HEPA every 12 months; carbon filter every 3 months. Fits 7 models and their listed variants.

Buy Filter A on AmazonManufacturer page

Opens an Amazon search for Winix Filter A 115115. Check the listing says 115115.

Fits these models

Part numbers

Genuine part
115115
How often
Replace True HEPA every 12 months; carbon filter every 3 months
What is in it
True HEPA; activated carbon filters (4-pack)

Sources

  • Which filter fits winixamerica.com Maker's own page checked Oct 1, 2026
    Filter A – 115115: Compatible with Winix air cleaner models 6300, P300, 5300, 5500, 5300-2, 6300-2, AM90, C909, 9800 and C535
  • 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 Filter: Captures 99.99% ... Activated Carbon Filters (4-pack): Reduces VOCs and household odors
  • Other genuine options winixamerica.com Maker's own page checked Oct 1, 2026
    Filter A +PetGuard 1712-0004-12, +AllergenGuard 1712-0004-10, +SmokeGuard 1712-0004-11: each Compatible with Winix air cleaner models 6300, P300, 5300, 5500, 5300-2, 6300-2, AM90, C909, 9800 and C535
Show all 6 sources

Which filter fits

  1. winixamerica.com Maker's own page checked Oct 1, 2026
    Filter A – 115115: Compatible with Winix air cleaner models 6300, P300, 5300, 5500, 5300-2, 6300-2, AM90, C909, 9800 and C535
  2. winixeurope.eu Maker's own page checked Oct 1, 2026
    Air Purifier WINIX Filter A ... for the air purifiers WINIX ZERO, WINIX 5300-2 and the WINIX P300

How often

  1. 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

  1. winixamerica.com Maker's own page checked Oct 1, 2026
    True HEPA Filter: Captures 99.99% ... Activated Carbon Filters (4-pack): Reduces VOCs and household odors

Other genuine options

  1. winixamerica.com Maker's own page checked Oct 1, 2026
    Filter A +PetGuard 1712-0004-12, +AllergenGuard 1712-0004-10, +SmokeGuard 1712-0004-11: each Compatible with Winix air cleaner models 6300, P300, 5300, 5500, 5300-2, 6300-2, AM90, C909, 9800 and C535
  2. winixamerica.com Maker's own page checked Oct 1, 2026
    Filter U – 1712-0094-00: Compatible with Winix air cleaner model HR900, HR950, HR951, HR1000, 5300-2, 5500-2, 6300-2, C535, C555