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

Winix Zero replacement filter

Use part 115115. Replace True HEPA every 12 months; carbon filter every 3 months.

The filter that fits

Maker lists this model

Winix Filter A

Winix Replacement Filter A

Part number
115115
How many
1 per unit
How often
Replace True HEPA every 12 months; carbon filter every 3 months

Winix Europe names the Zero on its Filter A page; the part number 115115 comes from Winix America's Filter A page, which does not list the Zero.

Buy Filter A on AmazonManufacturer page

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

See the sources

Look-alike models that take a different filter

The Zero+ and Zero Pro take Filter T, and the Zero-S takes Filter H, per Winix Europe.

Sources

High confidence: the manufacturer names this exact model on a live page. Each line is the page we read and the day we read it.

  • 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
  • Look-alike models winixeurope.eu Maker's own page checked Oct 1, 2026
    for the air purifiers WINIX ZERO, WINIX 5300-2 and the WINIX P300
Show all 8 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

Look-alike models

  1. winixeurope.eu Maker's own page checked Oct 1, 2026
    for the air purifiers WINIX ZERO, WINIX 5300-2 and the WINIX P300
  2. winixeurope.eu Maker's own page checked Oct 1, 2026
    Filter T ... complete filter set for WINIX ZERO Pro, ZERO+, HR950 and HR1000