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Alternative AllergenBlock replacement filter

Blueair Blue Pure 211+ Series AllergenBlock Filter 110673 replacement filter

Blue Pure 211+ Series AllergenBlock Filter (part 110673) fits Blueair Blue Pure 211 Plus and Blueair Blue Pure 211 Plus Auto, according to the official Blueair product page.

Official Blueair fit · checked

Blueair models that use Blue Pure 211+ Series AllergenBlock Filter 110673

This filter is listed for 2 models. Open a model to see its complete list of primary, optional, and specialty filters.

Before you order

What to check in a 110673 listing

  • The listing names part 110673. Similar-looking filters are not proof of fit.
  • Your purifier is one of the compatible models: Blueair Blue Pure 211 Plus and Blueair Blue Pure 211 Plus Auto.
  • The pack size and pieces included match what you need. Genuine and third-party filters can differ.
  • The total price with shipping, seller feedback, and delivery estimate work for you.

Care guidance

Replacement schedule

Blueair states that the replacement indicator appears after about 6 months of operation.

Usage conditions can affect service life. Follow the cited manufacturer guidance for this part.

Compare compatible options

These share at least one compatible model but may do a different job, such as a carbon pre-filter or a specialty version. Check each part page before buying.

Frequently asked questions

How often should I replace the Blueair Blue Pure 211+ Series AllergenBlock Filter (110673)?

Blueair states that the replacement indicator appears after about 6 months of operation.

Which Blueair models use the Blue Pure 211+ Series AllergenBlock Filter 110673?

According to the official Blueair product page, Blue Pure 211+ Series AllergenBlock Filter (110673) fits Blueair Blue Pure 211 Plus and Blueair Blue Pure 211 Plus Auto. Verify the model label on your unit before ordering.

Do aftermarket 110673 filters work?

Marketplace listings may be from the manufacturer or a third party. Match the exact part number 110673, review the listing details, and verify the model label on your unit before buying.

Official compatibility record

Manufacturer source

Official Blueair product data identifies Blue Pure 211+ Series AllergenBlock Filter, SKU 110673, and explicitly lists compatibility with Blue Pure 211+ and Blue Pure 211+ Auto.

Blueair Official Blue Pure 211+ Series AllergenBlock Filter

Source compatibility checked 2026-08-29. Recheck the listing and your purifier label before ordering.