The eufy Omni S1 takes the eufy Dust Bag (Omni S2, S1, S1 Pro) (part T291R110) as its dust bag; replace it every 2 months; Australian sellers list it from A$29.95 as of 22 October 2026. Fitment confirmed against the manufacturer's compatibility list.

Your robot vacuum
eufy Omni S1
Robot vacuum
Confirmed against eufy's listConfirmed against eufy Australia's compatibility list
Not yours? ChangeSave it · remind me every 2 months
Takes the T291R110 dust bag
Dust Bag (Omni S2, S1, S1 Pro) · replace every 2 months · check the code on your old part before ordering.

Your robot vacuum
Robot vacuum
Confirmed against eufy's listConfirmed against eufy Australia's compatibility list

Takes the T291R110
Dust bag · every 2 months · check the code on your old part.
Other eufy robot vacuums that take the T291R110
GenuineGenuine eufy
$29.95
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 · $29.95
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.
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 2 months. The app reminds you when it is due.
After replacing: The station detects a new bag; no reset needed.
Not due yet?
Get a nudge when your filter is due — it's every 2 months. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the dust bag in your eufy Omni S1
Watch the guide or follow the steps.
No clear video for this part yet. The steps cover it.
- 1Open the lid or door on the station.
- 2Pull the full bag straight out by its plastic collar; the collar seals the bag as it comes out.
- 3Slide the new bag's collar into the guide slots until it sits flat, then close the lid. The station recognises the new bag.
Every number this part goes by
- Retail name:
- T291R110
Sellers list any of these; they are the same part.
About your eufy Omni S1

eufy robot vacuum, robot vacuum — S series. Its dust bag is the Dust Bag (Omni S2, S1, S1 Pro), part T291R110, changed every 2 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 2 eufy models
eufy2 models
Common questions
- Which dust bag fits the eufy Omni S1?
- The eufy Omni S1 takes the eufy Dust Bag (Omni S2, S1, S1 Pro) (part T291R110).
- How often should I replace the dust bag in my eufy Omni S1?
- Every 2 months, or sooner if it looks worn.
- Where can I buy the T291R110 in Australia?
- We track 1 Australian seller for the T291R110; the lowest listed price when we last checked was A$29.95 at Eufy Au. Prices are re-checked daily and dated on this page.
- How do I fit the T291R110 in a eufy Omni S1?
- 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.
- How do I reset the reminder?
- The station detects a new bag; no reset needed.
Something looks wrong with the Omni S1 match? . Reports go to a person, not a bot.