Standard replacement filter
Blueair Blue Signature Small Replacement Filter – 115001 replacement filter
Blue Signature Small Replacement Filter (115001) fits Blueair Blue Signature Small according to the cited Blueair source.
115001
Check official Blueair availability
Non-affiliate link to the cited official product page.
Quick fit check
Blue Signature Small Replacement Filter fit and replacement facts
Blueair recommends replacing the Blue Signature Small filter every 6 months under standard operation.
Compatible Blueair models
Follow a model link for its complete primary, optional, specialty, and alternative filter list.
| Model | Filter | Part number | Role | Source | Marketplace |
|---|---|---|---|---|---|
| Blueair Blue Signature Small | Blue Signature Small Replacement Filter | 115001 |
Standard replacement filter | Blueair Official Blue Signature Small Replacement Filter | Check prices |
Buying checklist
What to check in a filter listing
Confirm that the listing names part 115001 and one of the compatible models: Blueair Blue Signature Small. Similar-looking filters are not proof of fit.
Decide whether you want an OEM or aftermarket filter, then compare the included pieces, product photos, seller details, delivery estimate, and total price.
Care guidance
Replacement schedule
Blueair recommends replacing the Blue Signature Small filter every 6 months under standard operation.
Usage conditions can affect service life. Follow the cited manufacturer guidance for this part.
Frequently asked questions
How often should I replace the Blueair Blue Signature Small Replacement Filter (115001)?
Blueair recommends replacing the Blue Signature Small filter every 6 months under standard operation.
Which Blueair models use the Blue Signature Small Replacement Filter 115001?
According to the official Blueair product page, Blue Signature Small Replacement Filter (115001) fits Blueair Blue Signature Small. Verify the model label on your unit before ordering.
Do aftermarket 115001 filters work?
Marketplace listings may be from the manufacturer or a third party. Match the exact part number 115001, review the listing details, and verify the model label on your unit before buying.
Manufacturer source
Official Blueair documentation identifies Blue Signature Small Replacement Filter, SKU 115001, as compatible with Blue Signature Small air purifier.
Blueair Official Blue Signature Small Replacement Filter
Source compatibility checked 2026-07-22. Recheck the listing and your purifier label before ordering.