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Blueair Blue Pure 311 Auto replacement filter

Blueair Blue Pure 311 Auto uses Blue Pure 311 Auto Series Particle + Carbon Filter (part F311PACF105618) as its primary replacement filter set.

Official Blueair fit · checked

All compatible Blueair Blue Pure 311 Auto filters

Primary filters are listed first. Specialty, optional, and alternative filters also fit, but you only need them if you want that feature.

Filter Part number Type Price
Blue Pure 311 Auto Series Particle + Carbon Filter F311PACF105618 Standard replacement filter Check price
Blue Pure 311 Auto Series AllergenBlock Filter 110672 Alternative AllergenBlock replacement filter Check price
Blue Pure 311 Auto Series SmokeBlock Filter F311PASB109169 Alternative SmokeBlock replacement filter Check price

Price links open sponsored eBay searches for the exact part number.

Before you order

How to buy the right Blueair Blue Pure 311 Auto filter

  • Confirm the label on your purifier reads Blue Pure 311 Auto.
  • Make sure the listing names part F311PACF105618, not just a similar-looking filter.
  • Check the pack size and pieces included. Genuine and third-party filters can differ.
  • Compare the total price with shipping, plus the seller's feedback and delivery estimate.

Care guidance

Replacement schedule

  • Blue Pure 311 Auto Series Particle + Carbon Filter F311PACF105618: Blueair recommends replacing the filter about every 6 months of continuous operation.

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

Frequently asked questions

What filter does the Blueair Blue Pure 311 Auto use?

The Blueair Blue Pure 311 Auto uses Blue Pure 311 Auto Series Particle + Carbon Filter (F311PACF105618) as its primary replacement filter parts. It also has these optional, specialty, or alternative compatible parts: Blue Pure 311 Auto Series AllergenBlock Filter (110672), Blue Pure 311 Auto Series SmokeBlock Filter (F311PASB109169). Those parts are not simultaneously required primary filters.

How often should I replace the Blueair Blue Pure 311 Auto filter?

Blueair recommends replacing the filter about every 6 months of continuous operation.

Where can I check replacement filters for the Blueair Blue Pure 311 Auto?

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.

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 311 Auto Series AllergenBlock Filter 110672

Official Blueair product data identifies Blue Pure 311 Auto Series AllergenBlock Filter, SKU 110672, as compatible only with Blue Pure 311 Auto.

Source checked
Replacement guidance
Blueair states that the replacement indicator appears after about 6 months of operation.
Guidance checked

Blue Pure 311 Auto Series Particle + Carbon Filter F311PACF105618

Official Blueair documentation identifies Blue Pure 311 Auto Series Particle + Carbon Filter, SKU F311PACF105618, as compatible with Blue Pure 311 Auto.

Source checked
Replacement guidance
Blueair recommends replacing the filter about every 6 months of continuous operation.
Guidance checked

Blue Pure 311 Auto Series SmokeBlock Filter F311PASB109169

Official Blueair product data identifies Blue Pure 311 Auto Series SmokeBlock Filter, SKU F311PASB109169, as compatible only with Blue Pure 311 Auto.

Source checked
Replacement guidance
Blueair's product page lists replacement-filter delivery every 6 months.
Guidance checked

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