Robot vacuum filter · eufy
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.
Will it fit your appliance?
Type your model number and we'll check it against our fitment database.
Fits these models
eufy3 models
Common questions
- Which filter fits the eufy T2906021?
- The eufy T2906021 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 T2906021?
- 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 T2906021?
- No tools, a few minutes: 3 steps, listed on this page with the replacement video where the maker has one.
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