PetKit EverSweet 3 Pro filter
The PetKit EverSweet 3 Pro takes the PetKit Filter Unit 3.0 (EverSweet 3 Pro, Solo 2, Solo SE) (part Filter Unit 3.0) as its filter; replace it every 2 months. Fitment confirmed against the manufacturer's compatibility list.
Appliance confirmed before purchase
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Your pet fountain
PetKit EverSweet 3 Pro
Pet fountain · EverSweet
Takes this filter
Filter Unit 3.0 (EverSweet 3 Pro, Solo 2, Solo SE)
Filter Unit 3.0
The right filter for EverSweet 3 Pro
PetKit Filter Unit 3.0 (EverSweet 3 Pro, Solo 2, Solo SE)
- Replace every 2 months
- Fits inside the fridge
- Fits 3 models
PetKit's Filter Unit 3.0 for the EverSweet 3 Pro, Solo 2 and Solo SE. Soak the new filter for ten minutes before fitting; the fountain's light tells you when it is due, roughly every 60 days in smart mode or 30 in normal mode.
Reduces
- Hair and debris
- Chlorine taste (carbon)
- Scale (ion-exchange resin)
- Change
- 30 to 60 days (PetKit)
- Pack
- 5 filters
Every number this part goes by
- Retail name:
- PETKIT Filter Unit 3.0
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 6 September 2026.
How long it lasts
Replace every 2 months — the app reminds you.
After fitting: Hold the fountain's button after fitting to clear the filter light, or reset it in the PetKit 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 2 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.
- 1Soak the new filter in clean water for at least ten minutes.
- 2Unplug or switch off the fountain, lift the top tray off and lift the old filter out.
- 3Seat the soaked filter in the body the same way round and refit the tray.
- 4Fill, power on, and reset the filter timer in the PetKit app (or hold the button until the light clears).
About your PetKit EverSweet 3 Pro
PetKit pet fountain, pet fountain — EverSweet. Its filter is the Filter Unit 3.0 (EverSweet 3 Pro, Solo 2, Solo SE), part Filter Unit 3.0, changed every 2 months.
Checking the model number: The fountain's name (PIXI, Flower Fountain, EverSweet 3 Pro) is printed on the base or the underside label; the filter type is printed on the old filter's packaging.
Fits these models
PetKit3 models
Common questions
- Which filter fits the PetKit EverSweet 3 Pro?
- The PetKit EverSweet 3 Pro takes the PetKit Filter Unit 3.0 (EverSweet 3 Pro, Solo 2, Solo SE) (part Filter Unit 3.0). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my PetKit EverSweet 3 Pro?
- Every 2 months. Flow slows and performance drops off as the filter fills up, so it's worth doing on time.
- Where can I buy the Filter Unit 3.0 in Australia?
- We link to 1 Australian seller for the Filter Unit 3.0; the seller's page shows the current price.
- How do I fit the Filter Unit 3.0 in a PetKit EverSweet 3 Pro?
- No tools, a few minutes: 4 steps, listed on this page with the replacement video where the maker has one.
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