The Xiaomi Robot Vacuum S20+ takes the Xiaomi Robot Vacuum Filter 2-Pack (X10+, X20+, S10+, S20+, S40C, H40, Mi Robot Vacuum-Mop 2 series) (part STLW01ZHM) as its filter; replace it every 3 months; Australian sellers list it from A$9.00 each as of 26 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your robot vacuum
Xiaomi Robot Vacuum S20+
Robot vacuum
Confirmed against Xiaomi's listConfirmed against Xiaomi's own compatibility list
Not yours? ChangeSave it · remind me every 3 months
Takes the STLW01ZHM filter
Robot Vacuum Filter 2-Pack (X10+, X20+, S10+, S20+, S40C, H40, Mi Robot Vacuum-Mop 2 series) · replace every 3 months · check the code printed on your old filter before ordering.
Your robot vacuum
Robot vacuum
Confirmed against Xiaomi's listConfirmed against Xiaomi's own compatibility list
Takes the STLW01ZHM
Filter · every 3 months · check the code on your old filter.
Other Xiaomi robot vacuums that take the STLW01ZHM
GenuineGenuine Xiaomi
$9.75 each
2-pack $19.50
Xiaomi Australia · 26 OctLowest genuine · Xiaomi Australia · checked 26 Oct
CompatibleCompatible option
$9.00 each
2-pack $18.00
Amazon AU · 26 OctAmazon AU · checked 26 Oct
Check sellerCheck seller details
Genuine: made by Xiaomi. Compatible: another brand.Genuine is made by Xiaomi. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest compatibleLowest compatible price · $9.00 each · 2-pack $18.00
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.
Other parts this robot vacuum takes
- Xiaomi Robot Vacuum Main Brush (X10+, X20+, S10+, S20+, X20 Pro, X20 Max)Open Amazon AU$6.94 each · 2-pack $13.88
The main brush. Separate from the filter. Replace every 6 months.
Compare 2 sellers - Xiaomi Robot Vacuum Side Brush 2-Pack (X10+, X20+, S10+, S20+, S40C, H40 and others)Open Amazon AU$2.70 each · 10-pack $26.99
The side brush. Separate from the filter. Replace every 3 months.
Compare 2 sellers
Compare 2 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
1 seller
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 filter is due — it's every 3 months. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the filter in your Xiaomi Robot Vacuum S20+
Watch the guide or follow the steps.
No clear video for this part yet. The steps cover it.
- 1Lift the robot's top cover, press the dustbin release button and pull out the dustbin.
- 2Empty the dustbin and take the old filter out of its clip.
- 3Fit the new filter (it must be fully dry) and push the dustbin back until it clicks.
Every number this part goes by
- Retail name:
- STLW01ZHM
Sellers list any of these; they are the same part.
About your Xiaomi Robot Vacuum S20+
Xiaomi robot vacuum — Xiaomi Robot Vacuum S series. Its filter is the Robot Vacuum Filter 2-Pack (X10+, X20+, S10+, S20+, S40C, H40, Mi Robot Vacuum-Mop 2 series), part STLW01ZHM, changed every 3 months.
Also in this robot vacuum: Xiaomi Robot Vacuum Main Brush (X10+, X20+, S10+, S20+, X20 Pro, X20 Max) (every 6 months), Xiaomi Robot Vacuum Side Brush 2-Pack (X10+, X20+, S10+, S20+, S40C, H40 and others) (every 3 months).
Where the model number is: Turn the robot over: the model name and serial are on the label on the underside. The model name is also on the top lid of most robots.
Fits these 11 Xiaomi models
Common questions
- Which filter fits the Xiaomi Robot Vacuum S20+?
- The Xiaomi Robot Vacuum S20+ takes the Xiaomi Robot Vacuum Filter 2-Pack (X10+, X20+, S10+, S20+, S40C, H40, Mi Robot Vacuum-Mop 2 series) (part STLW01ZHM). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my Xiaomi Robot Vacuum S20+?
- Every 3 months. It works less well as the filter fills up, so it's worth doing on time.
- Where can I buy the STLW01ZHM in Australia?
- We track 2 Australian sellers for the STLW01ZHM; the lowest listed price when we last checked was A$9.00 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the STLW01ZHM in a Xiaomi Robot Vacuum S20+?
- No tools, a few minutes: 3 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A clogged filter loses suction, worn brushes miss edges, and a stale mop cloth smears rather than cleans.
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