Air Filter LookupAir purifier filter finder

Blueair model lookup

Blueair Blue Signature replacement filter

Blueair Blue Signature uses Blue Signature Replacement Filter (part 112973) as its primary replacement filter set.

Blueair Blue Signature filter match

Standard replacement filter Blue Signature Replacement Filter 112973
Check current eBay prices

Sponsored eBay links. We may earn a commission from qualifying purchases.

View part details Official Blueair source

All compatible part numbers

All compatible part numbers listed below are primary replacement filters for this model.

Filter Part number Role Source Marketplace
Blue Signature Replacement Filter 112973 Standard replacement filter Blueair Official Blue Signature Replacement Filter Check prices

Official compatibility record

Manufacturer evidence

Each compatibility and care statement below is reproduced from the cited official manufacturer record. Check the source again before ordering.

Blue Signature Replacement Filter 112973

Official Blueair documentation identifies Blue Signature Replacement Filter, SKU 112973, as compatible with Blue Signature air purifier.

Source checked
Replacement guidance
Blueair recommends replacing the Blue Signature filter every 6 months under standard operation.
Guidance checked

Buying checklist

How to choose the right replacement

Match the Blueair Blue Signature model label and the exact part number above. Marketplace listings can be OEM or aftermarket, and a similar-looking filter may have different dimensions.

Compare the listing title, product photos, included filter pieces, seller details, delivery estimate, and total price before you order.

Care guidance

Replacement schedule

  • Blue Signature Replacement Filter 112973: Blueair recommends replacing the Blue Signature filter every 6 months under standard operation.

Usage and air quality can affect service life. Follow the cited manufacturer guidance for each part.

Keep browsing

Frequently asked questions

What filter does the Blueair Blue Signature use?

The Blueair Blue Signature uses Blue Signature Replacement Filter (112973). Each part number on this page is backed by an official Blueair source.

How often should I replace the Blueair Blue Signature filter?

Blueair recommends replacing the Blue Signature filter every 6 months under standard operation.

Where can I check replacement filters for the Blueair Blue Signature?

This page links directly to the cited official Blueair product page and shows sponsored individual eBay listings when a fresh exact-part snapshot is available, with an exact-part eBay search fallback. This site does not sell filters; match the part number and review the current source or seller listing before buying.