Eufy RoboVac 11S filter
The eufy RoboVac 11S takes the eufy Filter Set (RoboVac 11S / 25C / 35C) (part T2906021) as its filter; replace it every 3 months; Australian sellers list it from A$19.95 as of 1 August 2026. Fitment confirmed against the manufacturer's compatibility list.
Appliance confirmed before purchase
Not yours? Change
Your robot vacuum
eufy RoboVac 11S
Robot vacuum · RoboVac
Takes this filter
Filter Set (RoboVac 11S / 25C / 35C)
T2906021
The right filter for RoboVac 11S
eufy Filter Set (RoboVac 11S / 25C / 35C)
- Replace every 3 months
- Fits inside the fridge
- Fits 3 models
The six-pack filter set for the RoboVac 11S, 25C and 35C. The filter sits in the back of the dust bin behind the blue pre-filter.
- Pack
- 6 filters
- eufy part
- T2906021
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.
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.
- 1Press the release on the back of the robot and slide the dust bin out.
- 2Lift the blue pre-filter grille off the back of the bin and take out the old pleated filter.
- 3Fit the new filter, press the grille back on and slide the bin back in until it clicks.
About your eufy RoboVac 11S
eufy robot vacuum, robot vacuum — RoboVac. Its filter is the Filter Set (RoboVac 11S / 25C / 35C), part T2906021, changed every 3 months.
Also in this robot vacuum: eufy Rolling Brush (RoboVac 11S / 25C / 35C, G15 / G20 / G30 / G35+ / G40 Hybrid+) (every 12 months), eufy Side Brush (RoboVac 11S / 25C / 35C, G10 / G15 / G20 / G30 / G35+ / G40 Hybrid+) (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
eufy3 models
Common questions
- Which filter fits the eufy RoboVac 11S?
- The eufy RoboVac 11S takes the eufy Filter Set (RoboVac 11S / 25C / 35C) (part T2906021). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my eufy RoboVac 11S?
- 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 T2906021 in Australia?
- We track 2 Australian sellers for the T2906021; the lowest listed price when we last checked was A$19.95 at eufy_au. Prices are re-checked daily and dated on this page.
- How do I fit the T2906021 in a eufy RoboVac 11S?
- No tools, a few minutes: 3 steps, listed on this page with the replacement video where the maker has one.
Own a RoboVac 11S and this looks wrong? . Reports go to a person, not a bot.