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Levoit air purifier

Levoit Core 400 / Core 400S replacement filter

BuckParts checks retailer listings against your exact part. BuckParts is not the seller.

The filter for your Core 400 / Core 400S

Core 400 / Core 400S replacement filter

Core 400S-RF

Look for Core 400S-RF or Core 400S on the filter packaging.

No verified link right nowReplace about every 6 months

This is the genuine Levoit filter made for the Core 400 and Core 400S family.

See where to buy

Open the official Levoit replacement-filter page BuckParts checked for this cartridge.

No checked buy link right now for this Core 400 / Core 400S filter. Compare Core 400S-RF or Core 400S with your old filter or manual before ordering anywhere else.

Opens the checked Levoit product page.

Is this your purifier?

If your label says Core 400 or Core 400S, you're in the right place.

Other Levoit Core families — Core 200, Core 300, and Core 600 — use different filters. If your unit is one of those, search that model instead.

I have a different model

Works with these purifiers

These Levoit models use this replacement filter.

Why you can trust this match

  • This page is for Core 400S-RF, the replacement filter shown above.
  • BuckParts is not the seller.
  • A buy link appears only when the retailer page passes the filter check.