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Blueair 2-in-1 Pro Purify + Humidify DH5i replacement filter

Blueair 2-in-1 Pro Purify + Humidify DH5i uses 2-in-1 Pro Purify + Humidify DH5i Replacement Air Filter (part 113831) as its primary replacement filter set.

People also search for this model as: Blueair 2/in/1 Pro Purify + Humidify DH5i, Blueair 2 in 1 Pro Purify + Humidify DH5i, Blueair 2in1 Pro Purify + Humidify DH5i.

Quick fit check

Match the exact filter before buying

The official manufacturer source identifies these primary parts for the Blueair 2-in-1 Pro Purify + Humidify DH5i.

Standard replacement filter 2-in-1 Pro Purify + Humidify DH5i Replacement Air Filter 113831
View part details Official Blueair source

Marketplace search

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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
2-in-1 Pro Purify + Humidify DH5i Replacement Air Filter 113831 Standard replacement filter Blueair Official 2-in-1 Pro Purify + Humidify DH5i Replacement Air 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.

2-in-1 Pro Purify + Humidify DH5i Replacement Air Filter 113831

Official Blueair documentation identifies 2-in-1 Pro Purify + Humidify DH5i Replacement Air Filter, SKU 113831, as compatible with 2-in-1 Pro Purify + Humidify DH5i.

Source checked
Replacement guidance
Blueair recommends replacing the DH5i air purifier filter every 6 months under standard operation.
Guidance checked

Buying checklist

How to choose the right replacement

Match the Blueair 2-in-1 Pro Purify + Humidify DH5i 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

  • 2-in-1 Pro Purify + Humidify DH5i Replacement Air Filter 113831: Blueair recommends replacing the DH5i air purifier filter every 6 months under standard operation.

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 2-in-1 Pro Purify + Humidify DH5i use?

The Blueair 2-in-1 Pro Purify + Humidify DH5i uses 2-in-1 Pro Purify + Humidify DH5i Replacement Air Filter (113831). Each part number on this page is backed by an official Blueair source.

How often should I replace the Blueair 2-in-1 Pro Purify + Humidify DH5i filter?

Blueair recommends replacing the DH5i air purifier filter every 6 months under standard operation.

Where can I check replacement filters for the Blueair 2-in-1 Pro Purify + Humidify DH5i?

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.