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Standard replacement filter

Blueair 2-in-1 Purify + Humidify DH3i Replacement Air Filter 112084 replacement filter

2-in-1 Purify + Humidify DH3i Replacement Air Filter (part 112084) fits Blueair 2-in-1 Purify + Humidify DH3i, according to the official Blueair product page.

Official Blueair fit · checked

Blueair models that use 2-in-1 Purify + Humidify DH3i Replacement Air Filter 112084

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 112084 listing

  • The listing names part 112084. Similar-looking filters are not proof of fit.
  • Your purifier is one of the compatible models: Blueair 2-in-1 Purify + Humidify DH3i.
  • 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 DH3i air purifier 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 2-in-1 Purify + Humidify DH3i Replacement Air Filter (112084)?

Blueair recommends replacing the DH3i air purifier filter every 6 months under standard operation.

Which Blueair models use the 2-in-1 Purify + Humidify DH3i Replacement Air Filter 112084?

According to the official Blueair product page, 2-in-1 Purify + Humidify DH3i Replacement Air Filter (112084) fits Blueair 2-in-1 Purify + Humidify DH3i. Verify the model label on your unit before ordering.

Do aftermarket 112084 filters work?

Marketplace listings may be from the manufacturer or a third party. Match the exact part number 112084, review the listing details, and verify the model label on your unit before buying.

Official compatibility record

Manufacturer source

Official Blueair documentation identifies 2-in-1 Purify + Humidify DH3i Replacement Air Filter, SKU 112084, as compatible with 2-in-1 Purify + Humidify DH3i.

Blueair Official 2-in-1 Purify + Humidify DH3i Replacement Air Filter

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