The Blueair DH3i takes the Blueair 2-in-1 Purify + Humidify Replacement Wick (DH3i) (part 112674) as its wick filter; replace it every 6 months; Australian sellers list it from A$56.65 as of 28 October 2026. Fitment confirmed against the manufacturer's compatibility list.

Your humidifier
Blueair DH3i
Humidifier
Confirmed against Blueair's listConfirmed against Blueair's own compatibility list
Not yours? ChangeSave it · remind me every 6 months
Takes the 112674 wick filter
2-in-1 Purify + Humidify Replacement Wick (DH3i) · replace every 6 months · check the code printed on your old filter before ordering.

Your humidifier
Humidifier
Confirmed against Blueair's listConfirmed against Blueair's own compatibility list

Takes the 112674
Wick filter · every 6 months · check the code on your old filter.
Other Blueair models and their filters
The 112674 fits the DH3i only. These Blueair models take a different wick filter:
GenuineGenuine Blueair
$56.65
Amazon AU · 28 OctLowest genuine · Amazon AU · checked 28 Oct
CompatibleCompatible option
See seller
No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by Blueair. Compatible: another brand.Genuine is made by Blueair. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest price · $56.65
Amazon AU. Every seller we track is listed below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.
Compare 1 seller
AUD, before delivery. Each price shows when it was checked.
Opens Amazon AU in a new tab. Their page is the source of truth for price, delivery and returns.
Not due yet?
Get a nudge when your wick filter is due — it's every 6 months. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the wick filter in your Blueair DH3i
Watch the guide or follow the steps.
- 1Turn the 2-in-1 off and unplug it. Open the filter door by pulling the Blueair tag.
- 2Pull the water handle up to release the humidification module and slide it out.
- 3Hold the buckle on each side to release the wick cover, lift the cover off the frame and lift the old wick off.
- 4Take the plastic off the new wick, fit it on the frame and refit the cover. Slide the module back in and close the door.
- 5Press the humidification icon for 15 seconds to reset the filter life.
Every number this part goes by
- Retail name:
- 112674
Sellers list any of these; they are the same part.
About your Blueair DH3i

Blueair humidifier — 2-in-1 Purify + Humidify. Its wick filter is the 2-in-1 Purify + Humidify Replacement Wick (DH3i), part 112674, changed every 6 months.
Where the model number is: The model is on the label under or on the back of the unit, and on the box. Unplug it and empty the tank before you turn it over.
Fits this Blueair model
Blueair1 model
Common questions
- Which wick filter fits the Blueair DH3i?
- The Blueair DH3i takes the Blueair 2-in-1 Purify + Humidify Replacement Wick (DH3i) (part 112674).
- How often should I replace the wick filter in my Blueair DH3i?
- Every 6 months. It works less well as the filter fills up, so it's worth doing on time.
- Where can I buy the 112674 in Australia?
- We track 1 Australian seller for the 112674; the lowest listed price when we last checked was A$56.65 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the 112674 in a Blueair DH3i?
- No tools, a few minutes: 5 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A scaled-up wick soaks up less water, so the room gets less moisture for the same running time.
- How do I reset the reminder?
- Press the humidification icon for 15 seconds to reset the filter life.
Something looks wrong with the DH3i match? . Reports go to a person, not a bot.