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

Levoit Core 400S replacement filter

Use part HEACAFLVNUS0051A. Interval not published by the maker.

The filter that fits

Maker lists a sibling model

Levoit Core 400S-P 3-Stage Filter

Levoit Core 400S-P 3-Stage Replacement Filter (sold until 2025 as "Levoit Core 400S 3-Stage Replacement Filter")

Part number
HEACAFLVNUS0051A
How many
1 per unit
How often
Interval not published by the maker

Levoit now names only the Core 400S-P on its page; the original Core 400S fit rests on an archived copy of the same listing.

Buy Core 400S-P 3-Stage Filter on AmazonManufacturer page

Opens an Amazon search for Levoit Core 400S-P 3-Stage Filter HEACAFLVNUS0051A. Check the listing says HEACAFLVNUS0051A.

See the sources

Does your exact model share this filter?

Levoit labels several versions of the Core 400S. Check the label on your unit.

  • Core 400S takes HEACAFLVNUS0051A
  • Core 400S-P same filter

Look-alike models that take a different filter

The PlasmaPro 400S is sold by retailers with this filter, but no Levoit page confirms it.

Other genuine options from Levoit

Variants and kits the maker sells for this model. Same fit, different media or packaging.

  • Core 400S-P Pet Allergy Carbon Replacement Filter
    HEACAFLVNUS0070A · Find on Amazon
  • Core 400S-P Toxin Absorber Carbon Replacement Filter
    HEACAFLVNUS0069A · Find on Amazon
  • Core 400S Smoke Remover Carbon Replacement Filter
    HEACAFLVNUS0081A · Find on Amazon

Sources

Medium confidence: from an archived manufacturer page, a licensed brand store, or a live manufacturer page that names a sibling variant rather than this exact model. Each line is the page we read and the day we read it.

  • Which filter fits levoit.com Maker's own page checked Oct 1, 2026
    Levoit Core 400S-P 3-Stage Replacement Filter ... Compatible with only: Core 400S-P
  • What's in it levoit.com Maker's own page checked Oct 1, 2026
    Pre-filter traps hairs, dust, and large particles. Main filter removes 99.97% of ultrafine particles down to 0.3 μm. High-density activated carbon filter
  • Other genuine options levoit.com Maker's own page checked Oct 1, 2026
    Levoit Core 400S Smoke Remover Carbon Replacement Filter, sku HEACAFLVNUS0081A
Show all 6 sources

Which filter fits

  1. levoit.com Maker's own page checked Oct 1, 2026
    Levoit Core 400S-P 3-Stage Replacement Filter ... Compatible with only: Core 400S-P
  2. levoit.com Maker's own page checked Oct 1, 2026
    product id 8025385304215, sku HEACAFLVNUS0051A, barcode 810043374163
  3. web.archive.org Maker's archived page checked Oct 1, 2026
    Levoit Core 400S 3-Stage Replacement Filter ... Compatible with only: Core 400S; same product id 8025385304215, sku HEACAFLVNUS0051A, gtin 810043374163 (snapshot 2025-07-19)
  4. web.archive.org Maker's archived page checked Oct 1, 2026
    Core 400S True HEPA 3-Stage Replacement Filter, sku HEACAFLVNUS0051, Compatible with only: Core 400S (snapshot 2022-07-03)

What's in it

  1. levoit.com Maker's own page checked Oct 1, 2026
    Pre-filter traps hairs, dust, and large particles. Main filter removes 99.97% of ultrafine particles down to 0.3 μm. High-density activated carbon filter

Other genuine options

  1. levoit.com Maker's own page checked Oct 1, 2026
    Levoit Core 400S Smoke Remover Carbon Replacement Filter, sku HEACAFLVNUS0081A