The Blueair Protect 7770i takes the Blueair Protect 7700 series SmartFilter (part 106157) as its filter; replace it every 9 months; Australian sellers list it from A$44.70 as of 5 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your air purifier
Blueair Protect 7770i
Air purifier
Confirmed against Blueair's listConfirmed against Blueair Australia's compatibility list
Not yours? ChangeSave it · remind me every 9 months
Takes the 106157 filter
Protect 7700 series SmartFilter · replace every 9 months · check the code printed on your old filter before ordering.
Your air purifier
Air purifier
Confirmed against Blueair's listConfirmed against Blueair Australia's compatibility list
Takes the 106157
Filter · every 9 months · check the code on your old filter.
Other Blueair air purifiers that take the 106157
GenuineGenuine Blueair
$119.99
Blueair Au · 20 OctLowest genuine · Blueair Au · checked 20 Oct
CompatibleCompatible option
$44.70
Amazon AU · 5 OctAmazon AU · checked 5 Oct
Check sellerCheck seller details
Genuine: made by Blueair. Compatible: another brand. Check certification on the seller's page.Genuine is made by Blueair. Compatible is made by another brand. Check the seller's certification details before choosing.
Lowest compatibleLowest compatible price · $44.70
Amazon AU. Compare with genuine below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.
Compare 3 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
2 sellers
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How long it lasts
Usually every 9 months (up to 9 months, depending on use). The app reminds you when it is due.
Flow slows and taste drops off as the filter fills up. Changing on time is the whole point.
Not due yet?
Get a nudge when your filter is due — it's every 9 months. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the filter in your Blueair Protect 7770i
Watch the guide or follow the steps.
- 1Switch the purifier off and unplug it.
- 2Pull the front cover off from the bottom edge.
- 3Lift the old SmartFilter drum out and stand the new one in its place.
- 4Refit the cover and plug in; the purifier reads the new filter's tag and resets itself.
Every number this part goes by
- Retail name:
- 106157
- Retail name:
- HealthProtect 7700 filter
- Retail name:
- SmartFilter 7700
Sellers list any of these; they are the same part.
About your Blueair Protect 7770i
Blueair air purifier, air purifier — Protect 7700. Its filter is the Protect 7700 series SmartFilter, part 106157, changed every 9 months.
Where the model number is: The model number is on the rating label on the bottom or back of the purifier; the old filter usually has its own code printed on the frame.
Fits these 3 Blueair models
Blueair3 models
Common questions
- Which filter fits the Blueair Protect 7770i?
- The Blueair Protect 7770i takes the Blueair Protect 7700 series SmartFilter (part 106157). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my Blueair Protect 7770i?
- Every 9 months. Flow slows and performance drops off as the filter fills up, so it's worth doing on time.
- Where can I buy the 106157 in Australia?
- We track 3 Australian sellers for the 106157; the lowest listed price when we last checked was A$44.70 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the 106157 in a Blueair Protect 7770i?
- No tools, a few minutes: 4 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- The fan works harder for less airflow, and the carbon layer stops taking smells out well before the filter looks dirty.
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