The Blueair H35i takes the Blueair Humidifier Replacement Wick (InvisibleMist H35i) (part 112698) as its wick filter; replace it every 6 months; Australian sellers list it from A$16.22 each as of 28 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your humidifier
Blueair H35i
Humidifier
Confirmed against Blueair's listConfirmed against Blueair's own compatibility list
Not yours? ChangeSave it · remind me every 6 months
Takes the 112698 wick filter
Humidifier Replacement Wick (InvisibleMist H35i) · 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 112698
Wick filter · every 6 months · check the code on your old filter.
Other Blueair models and their filters
The 112698 fits the H35i only. These Blueair models take a different wick filter:
GenuineGenuine Blueair
$57.28
Amazon AU · 28 OctLowest genuine · Amazon AU · checked 28 Oct
CompatibleCompatible option
$16.22 each
4-pack $64.87
Amazon AU · 28 OctAmazon AU · checked 28 Oct
Check sellerCheck seller details
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 compatibleLowest compatible price · $16.22 each · 4-pack $64.87
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Compare 2 listings from 1 seller
AUD, before delivery. Each price shows when it was checked.
Compatible options
1 seller
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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 H35i
Watch the guide or follow the steps.
- 1Turn off and unplug. Lift the upper body away from the base.
- 2Lift out the wick filter assembly that sits on top of the pump and water tank.
- 3Twist the base of the assembly clockwise to free the old wick, fit the new wick and put the assembly back together. Change the pump's sponge filter at the same time.
- 4Put the assembly back in the base, lining up the arrows, then refit the upper body with the dots lined up and plug in.
- 5Turn it on and hold the Fan Speed button for about 15 seconds to reset the filter light.
Every number this part goes by
- Retail name:
- 111687
- Retail name:
- 112698
Sellers list any of these; they are the same part.
About your Blueair H35i
Blueair humidifier — InvisibleMist. Its wick filter is the Humidifier Replacement Wick (InvisibleMist H35i), part 112698, 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 H35i?
- The Blueair H35i takes the Blueair Humidifier Replacement Wick (InvisibleMist H35i) (part 112698). Compatible filters made to the same specification also fit.
- How often should I replace the wick filter in my Blueair H35i?
- Every 6 months. It works less well as the filter fills up, so it's worth doing on time.
- Where can I buy the 112698 in Australia?
- We track 1 Australian seller for the 112698; the lowest listed price when we last checked was A$16.22 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the 112698 in a Blueair H35i?
- 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.
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