The Xiaomi Xiaomi Smart Air Purifier 4 takes the Xiaomi Smart Air Purifier 4 Filter M16R-FLP-GL as its filter; replace it every 6 months; Australian sellers list it from A$48.00 as of 26 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your air purifier
Xiaomi Xiaomi Smart Air Purifier 4
Air purifier
Confirmed against Xiaomi's listConfirmed against Xiaomi's own compatibility list
Not yours? ChangeSave it · remind me every 6 months
Takes the M16R-FLP-GL filter
Smart Air Purifier 4 Filter M16R-FLP-GL · 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 M16R-FLP-GL
Filter · every 6 months · check the code on your old filter.
Other Xiaomi air purifiers and their filters
The M16R-FLP-GL fits the Xiaomi Smart Air Purifier 4 only. These Xiaomi models take a different filter:
GenuineGenuine Xiaomi
$89.00
Amazon AU · 26 OctLowest genuine · Amazon AU · checked 26 Oct
CompatibleCompatible option
$48.00
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 · $48.00
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 Xiaomi Smart Air Purifier 4
Watch the guide or follow the steps.
- 1Switch the purifier off and unplug it.
- 2Open the magnetic filter door and pull the strap to lift out the old filter.
- 3Take the new filter out of its packaging and fit it with the strap at the top, then close the filter door.
- 4Switch on. A genuine Xiaomi filter is recognised by its RFID tag, so there is no manual reset. If the purifier asks for a genuine filter, refit the filter, switch off at the wall for 10 seconds and restart.
Every number this part goes by
- Retail name:
- 6934177744976
- Retail name:
- BHR5120GL
- Retail name:
- M16R-FLP
- Retail name:
- M16R-FLP-GL
- Retail name:
- Mi Air Purifier 4 filter
- Retail name:
- Xiaomi 4 filter
Sellers list any of these; they are the same part.
About your Xiaomi Xiaomi Smart Air Purifier 4
Xiaomi air purifier — Xiaomi 4. Its filter is the Smart Air Purifier 4 Filter M16R-FLP-GL, part M16R-FLP-GL, changed every 6 months.
Other filters the maker lists for this air purifier: Mijia Smart Air Purifier 6 Filter AFEP8TFM25-GL (also fits Xiaomi Smart Air Purifier 4) (every 6 months). The Mijia Smart Air Purifier 6 Filter (AFEP8TFM25-GL) also fits: Xiaomi lists the Smart Air Purifier 4 as compatible.
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 this Xiaomi model
Xiaomi1 model
Common questions
- Which filter fits the Xiaomi Xiaomi Smart Air Purifier 4?
- The Xiaomi Xiaomi Smart Air Purifier 4 takes the Xiaomi Smart Air Purifier 4 Filter M16R-FLP-GL. Compatible filters made to the same specification also fit.
- How often should I replace the filter in my Xiaomi Xiaomi Smart Air Purifier 4?
- Every 6 months. It works less well as the filter fills up, so it's worth doing on time.
- Where can I buy the M16R-FLP-GL in Australia?
- We track 2 Australian sellers for the M16R-FLP-GL; the lowest listed price when we last checked was A$48.00 at Bunnings. Prices are re-checked daily and dated on this page.
- How do I fit the M16R-FLP-GL in a Xiaomi Xiaomi Smart Air Purifier 4?
- 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.
- Is there anything to reset afterwards?
- No manual reset: the genuine filter's RFID tag is read automatically.
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