The eufy Omni S2 takes the eufy Washable Filter (Omni S2) (part T291M110) as its filter; replace it every 3 months; Australian sellers list it from A$14.95 as of 22 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your robot vacuum
eufy Omni S2
Robot vacuum
Confirmed against eufy's listConfirmed against eufy Australia's compatibility list
Not yours? ChangeSave it · remind me every 3 months
Takes the T291M110 filter
Washable Filter (Omni S2) · replace every 3 months · check the code printed on your old filter before ordering.
Your robot vacuum
Robot vacuum
Confirmed against eufy's listConfirmed against eufy Australia's compatibility list
Takes the T291M110
Filter · every 3 months · check the code on your old filter.
Other eufy robot vacuums and their filters, brushes and mop cloths
The T291M110 fits the Omni S2 only. These eufy models take a different filter:
GenuineGenuine eufy
$14.95
Eufy Au · 22 OctLowest genuine · Eufy Au · checked 22 Oct
CompatibleCompatible option
See seller
No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by eufy. Compatible: another brand. Check certification on the seller's page.Genuine is made by eufy. Compatible is made by another brand. Check the seller's certification details before choosing.
Lowest price · $14.95
Eufy Au. Every seller we track is listed 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
- eufy Dust Bag (Omni S2, S1, S1 Pro)Open Eufy Au$29.95
The dust bag. Separate from the filter. Replace every 2 months.
- eufy Roller Brush and Brush Guard (Omni S2)Open Eufy Au$39.95
The main brush. Separate from the filter. Replace every 12 months.
- eufy Rolling Mop (S2, S1 Pro, Omni E25 / E28)Open Amazon AU$16.50 each · 2-pack $33.00
The mop cloth. Separate from the filter. Replace every 6 months.
Compare 2 sellers - eufy Side Brush (Omni S2)Open Eufy Au$24.95
The side brush. Separate from the filter. Replace every 3 months.
Compare 1 seller
AUD, before delivery. Each price shows when it was checked.
Opens Eufy Au in a new tab. Their page is the source of truth for price, delivery and returns.
How long it lasts
Usually every 3 months. The app reminds you when it is due.
After replacing: Reset the filter under Consumables in the eufy Clean app.
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 3 months. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the filter in your eufy Omni S2
Watch the guide or follow the steps.
- 1Lift the robot's top lid and pull the dust bin out.
- 2Unclip the old filter from the back of the bin.
- 3Snap the new filter in with the pleats facing the bin, close the bin and slide it back until it clicks.
- 4In the eufy Clean app open Consumables, tap Filter and choose Reset.
Every number this part goes by
- Retail name:
- T291M110
Sellers list any of these; they are the same part.
About your eufy Omni S2
eufy robot vacuum, robot vacuum — S series. Its filter is the Washable Filter (Omni S2), part T291M110, changed every 3 months.
Also in this robot vacuum: eufy Dust Bag (Omni S2, S1, S1 Pro) (every 2 months), eufy Roller Brush and Brush Guard (Omni S2) (every 12 months), eufy Rolling Mop (S2, S1 Pro, Omni E25 / E28) (every 6 months), eufy Side Brush (Omni S2) (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 1 eufy model
eufy1 model
Common questions
- Which filter fits the eufy Omni S2?
- The eufy Omni S2 takes the eufy Washable Filter (Omni S2) (part T291M110). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my eufy Omni S2?
- Every 3 months. Flow slows and performance drops off as the filter fills up, so it's worth doing on time.
- Where can I buy the T291M110 in Australia?
- We track 1 Australian seller for the T291M110; the lowest listed price when we last checked was A$14.95 at Eufy Au. Prices are re-checked daily and dated on this page.
- How do I fit the T291M110 in a eufy Omni S2?
- 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?
- A clogged filter loses suction, worn brushes miss edges, and a stale mop cloth smears rather than cleans.
- How do I reset the reminder?
- Reset the filter under Consumables in the eufy Clean app.
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