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Blueair Blue Pure 311i+ Max replacement filter

Blueair Blue Pure 311i+ Max uses Blue Pure 311i+ Max Particle + Carbon Filter (part 110038) as its primary replacement filter set.

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The official manufacturer source identifies these primary parts for the Blueair Blue Pure 311i+ Max.

Standard replacement filter Blue Pure 311i+ Max Particle + Carbon Filter 110038
View part details Official Blueair source

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All compatible part numbers

Primary, optional, specialty, and alternative filters are listed separately so you can match the role as well as the part number.

Filter Part number Role Source
Blue Pure 311i+ Max Particle + Carbon Filter 110038 Standard replacement filter Blueair Official Blue Pure 311i+ Max Particle + Carbon Filter
Blue Pure 311i+ Max AllergenBlock Filter 111227 Alternative AllergenBlock replacement filter Blueair Official Blue Pure 311i+ Max AllergenBlock Filter
Blue Pure 311i+ Max SmokeBlock Filter 111235 Alternative SmokeBlock replacement filter Blueair Official Blue Pure 311i+ Max SmokeBlock Filter

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 Pure 311i+ Max Particle + Carbon Filter 110038

Official Blueair documentation identifies Blue Pure 311i+ Max Particle + Carbon Filter, SKU 110038 (F3MAX+), as compatible with Blue Pure 311i+ Max (3450i).

Source checked
Replacement guidance
Blueair recommends replacing the RealFilter every 6–9 months depending on usage.
Guidance checked

Blue Pure 311i+ Max AllergenBlock Filter 111227

Official Blueair product data identifies Blue Pure 311i+ Max AllergenBlock Filter, SKU 111227, as compatible only with Blue Pure 311i+ Max.

Source checked
Replacement guidance
Blueair states that, depending on usage, the filter will last up to 9 months.
Guidance checked

Blue Pure 311i+ Max SmokeBlock Filter 111235

Official Blueair product data identifies Blue Pure 311i+ Max SmokeBlock Filter, SKU 111235, as compatible only with Blue Pure 311i+ Max.

Source checked
Replacement guidance
Blueair states that, depending on usage, the filter will last up to 9 months.
Guidance checked

Buying checklist

How to choose the right replacement

Match the Blueair Blue Pure 311i+ Max 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 Pure 311i+ Max Particle + Carbon Filter 110038: Blueair recommends replacing the RealFilter every 6–9 months depending on usage.

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

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Frequently asked questions

What filter does the Blueair Blue Pure 311i+ Max use?

The Blueair Blue Pure 311i+ Max uses Blue Pure 311i+ Max Particle + Carbon Filter (110038) as its primary replacement filter parts. It also has these optional, specialty, or alternative compatible parts: Blue Pure 311i+ Max AllergenBlock Filter (111227), Blue Pure 311i+ Max SmokeBlock Filter (111235). Those parts are not simultaneously required primary filters.

How often should I replace the Blueair Blue Pure 311i+ Max filter?

Blueair recommends replacing the RealFilter every 6–9 months depending on usage.

Where can I check replacement filters for the Blueair Blue Pure 311i+ Max?

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.