Eufy Omni S2 filter
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 1 August 2026. Fitment confirmed against the manufacturer's compatibility list.
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Your robot vacuum
eufy Omni S2
Robot vacuum · S series
Takes this filter
Washable Filter (Omni S2)
T291M110
The right filter for Omni S2
eufy Washable Filter (Omni S2)
- Replace every 3 months
- Fits inside the fridge
- Fits 1 model

Washable filter for the Omni S2.
- Pack
- 1 filter
- Washable
- Yes
- eufy part
- T291M110
Every number this part goes by
Where to buy
Every seller we track for this part, cheapest first. Genuine is the manufacturer's own part; compatible is a third-party filter made to fit. Prices are re-checked daily where the seller publishes them. Last checked 1 August 2026.
How long it lasts
Replace every 3 months — the app reminds you.
After fitting: 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 of the filter.
Not due yet?
This filter is due every 3 months. We'll email you when it's time — free, no spam.
Fitting it
A few minutes, no tools. Watch it done, then 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.
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). Worth replacing together — one job, not two.
Checking the model number: 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 models
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.
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