What replacement filter fits my air purifier?

Look up your exact model number and see only the HEPA, carbon and pre-filter replacements confirmed compatible in manufacturer documentation.

Confirm the exact model number printed on your purifier before buying. Similar-looking model numbers often take different filters.

Browse by brand

Where to find your model number

  • Check the rating label on the back or underside of the unit.
  • Look inside the filter compartment, behind the front cover.
  • Check the original manual, box or order confirmation.
  • Copy the number exactly, including hyphens and letters.

How compatibility is verified

Every filter shown for a purifier is backed by a recorded compatibility entry with a source link and a verification date. Similar dimensions or similar part numbers are never treated as proof of fit.

Read how we verify compatibility

Maintenance guide

Not sure if your filter is due yet? Read how often to replace air purifier filters — typical intervals for HEPA, carbon and pre-filters, and the signs a filter is worn out.