The Xiaomi Mi Air Purifier 2 takes the Mi Air Purifier HEPA Filter M8R-FLH (2, 2S, 2H, 2C, 3H, 3C, Pro) as its filter; replace it every 6 months; Australian sellers list it from A$39.00 as of 26 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your air purifier
Xiaomi Mi Air Purifier 2
Air purifier
Confirmed against Xiaomi's listConfirmed against Xiaomi's own compatibility list
Not yours? ChangeSave it · remind me every 6 months
Takes the M8R-FLH filter
Mi Air Purifier HEPA Filter M8R-FLH (2, 2S, 2H, 2C, 3H, 3C, Pro) · replace every 6 months · check the code printed on your old filter before ordering.
Your air purifier
Air purifier
Confirmed against Xiaomi's listConfirmed against Xiaomi's own compatibility list
Takes the M8R-FLH
Filter · every 6 months · check the code on your old filter.
Other Xiaomi air purifiers that take the M8R-FLH
GenuineGenuine Xiaomi
$75.00
Amazon AU · 26 OctLowest genuine · Amazon AU · checked 26 Oct
CompatibleCompatible option
$39.00
Bunnings · 26 OctBunnings · checked 26 Oct
Check sellerCheck seller details
Genuine: made by Xiaomi. Compatible: another brand. Check certification on the seller's page.Genuine is made by Xiaomi. Compatible is made by another brand. Check the seller's certification details before choosing.
Lowest compatibleLowest compatible price · $39.00
Bunnings. 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 listings from 2 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
2 sellers
Opens Bunnings in a new tab. Their page is the source of truth for price, delivery and returns.
Not due yet?
Get a nudge when your filter is due — it's every 6 months. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the filter in your Xiaomi Mi Air Purifier 2
Watch the guide or follow the steps.
- 1Switch the purifier off and unplug it.
- 2Press the buckle on the filter compartment cover at the back and open it.
- 3Unlock and lift out the old filter. Cut open the new filter's bag and fit it the same way, then close the cover.
- 4Plug in and switch on. The Mi Air Purifier 3H reads a genuine filter and shows its remaining life; on models that need a manual reset, hold the button on the back for 6 seconds until it beeps.
Every number this part goes by
- Retail name:
- M8R-FLH
- Retail name:
- Mi Air Purifier 2H filter
- Retail name:
- Mi Air Purifier 3H filter
- Retail name:
- Mi Air Purifier Filter
- Retail name:
- Mi Air Purifier HEPA Filter
- Retail name:
- SCG4021GL
- Retail name:
- Xiaomi HEPA filter
Sellers list any of these; they are the same part.
About your Xiaomi Mi Air Purifier 2
Xiaomi air purifier — Mi Air Purifier 2/3. Its filter is the Mi Air Purifier HEPA Filter M8R-FLH (2, 2S, 2H, 2C, 3H, 3C, Pro), part M8R-FLH, changed every 6 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 7 Xiaomi models
Common questions
- Which filter fits the Xiaomi Mi Air Purifier 2?
- The Xiaomi Mi Air Purifier 2 takes the Mi Air Purifier HEPA Filter M8R-FLH (2, 2S, 2H, 2C, 3H, 3C, Pro). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my Xiaomi Mi Air Purifier 2?
- Every 6 months. It works less well as the filter fills up, so it's worth doing on time.
- Where can I buy the M8R-FLH in Australia?
- We track 2 Australian sellers for the M8R-FLH; the lowest listed price when we last checked was A$39.00 at Bunnings. Prices are re-checked daily and dated on this page.
- How do I fit the M8R-FLH in a Xiaomi Mi Air Purifier 2?
- 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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