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Standard replacement filter

Blueair ComfortPure 3-in-1 T10i Replacement Filter 111851 replacement filter

ComfortPure 3-in-1 T10i Replacement Filter (part 111851) fits Blueair ComfortPure 3-in-1 T10i, according to the official Blueair product page.

Official Blueair fit · checked

Blueair models that use ComfortPure 3-in-1 T10i Replacement Filter 111851

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

Before you order

What to check in a 111851 listing

  • The listing names part 111851. Similar-looking filters are not proof of fit.
  • Your purifier is one of the compatible models: Blueair ComfortPure 3-in-1 T10i.
  • 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 recommends replacing the T10i PAC filter set every 6 months under continuous 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 ComfortPure 3-in-1 T10i Replacement Filter (111851)?

Blueair recommends replacing the T10i PAC filter set every 6 months under continuous operation.

Which Blueair models use the ComfortPure 3-in-1 T10i Replacement Filter 111851?

According to the official Blueair product page, ComfortPure 3-in-1 T10i Replacement Filter (111851) fits Blueair ComfortPure 3-in-1 T10i. Verify the model label on your unit before ordering.

Do aftermarket 111851 filters work?

Marketplace listings may be from the manufacturer or a third party. Match the exact part number 111851, review the listing details, and verify the model label on your unit before buying.

Official compatibility record

Manufacturer source

Official Blueair documentation identifies ComfortPure 3-in-1 T10i Replacement Filter, SKU 111851, as compatible with ComfortPure 3-in-1 T10i.

Blueair Official ComfortPure 3-in-1 T10i Replacement Filter

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