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

Vornado MD1-0023 carbon pre-filter

MD1-0023 Activated Carbon Filter (2-Pack). Part MD1-0023. Replace every 4-6 months with continuous use, depending on your environment. Fits 2 models.

Buy MD1-0023 carbon pre-filter on AmazonManufacturer page

Opens an Amazon search for Vornado MD1-0023 carbon pre-filter. Check the listing says MD1-0023.

Fits these models

Part numbers

Genuine part
MD1-0023
How often
Replace every 4-6 months with continuous use, depending on your environment
What is in it
activated coconut carbon pre-filter

Sources

  • Which filter fits vornado.com Maker's own page checked Oct 1, 2026
    Page for the AC350 (per its URL): One (1) Activated Carbon Prefilter (MD1-0023) included.
  • How often vornado.com Maker's own page checked Oct 1, 2026
    Replace your carbon pre-filter every 4-6 months with continuous use, depending on your environment.
  • Packs vornado.com Maker's own page checked Oct 1, 2026
    Contains 2 filters.
Show all 4 sources

Which filter fits

  1. vornado.com Maker's own page checked Oct 1, 2026
    Page for the AC350 (per its URL): One (1) Activated Carbon Prefilter (MD1-0023) included.
  2. vornado.com Maker's own page checked Oct 1, 2026
    This Activated Carbon Filter (2-Pack), part number MD1-0023, works with models AC300 and AC500 True HEPA Air Purifiers. ... Contains 2 filters.

How often

  1. vornado.com Maker's own page checked Oct 1, 2026
    Replace your carbon pre-filter every 4-6 months with continuous use, depending on your environment.

Packs

  1. vornado.com Maker's own page checked Oct 1, 2026
    Contains 2 filters.