The PetKit EverSweet 3 Pro takes the PetKit Filter Unit 3.0 (EverSweet 3 Pro, Solo 2, Solo SE) as its filter; replace it every month; Australian sellers list it from A$4.40 as of 5 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your pet fountain
PetKit EverSweet 3 Pro
Pet fountain
Confirmed against PetKit's listConfirmed against PetKit Australia's compatibility list
Not yours? ChangeSave it · remind me every month
Takes the Filter Unit 3.0 filter
Filter Unit 3.0 (EverSweet 3 Pro, Solo 2, Solo SE) · replace every month · check the code printed on your old filter before ordering.
Your pet fountain
Pet fountain
Confirmed against PetKit's listConfirmed against PetKit Australia's compatibility list
Takes the Filter Unit 3.0
Filter · every month · check the code on your old filter.
Other PetKit pet fountains that take the Filter Unit 3.0
GenuineGenuine PetKit
$9.80 each
5-pack $49.00
Petbarn · 22 OctLowest genuine · Petbarn · checked 22 Oct
CompatibleCompatible option
$4.40 each
5-pack $22.00
Amazon AU · 5 OctAmazon AU · checked 5 Oct
Check sellerCheck seller details
Genuine: made by PetKit. Compatible: another brand. Check certification on the seller's page.Genuine is made by PetKit. Compatible is made by another brand. Check the seller's certification details before choosing.
Lowest compatibleLowest compatible price · $4.40 each · 5-pack $22.00
Amazon AU. Compare with genuine below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.
Compare 3 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
1 seller
Opens Amazon AU in a new tab. Their page is the source of truth for price, delivery and returns.
How long it lasts
Usually every month (every 4 weeks; about 60 days in smart mode). The app reminds you when it is due.
After replacing: 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.
Not due yet?
Get a nudge when your filter is due — it's every month. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the filter in your PetKit EverSweet 3 Pro
Watch the guide or 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).
Every number this part goes by
- Retail name:
- Filter Unit 3.0
- Retail name:
- PETKIT Filter Unit 3.0
Sellers list any of these; they are the same part.
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 month.
Where the model number is: 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 3 PetKit 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 month. 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 track 3 Australian sellers for the Filter Unit 3.0; the lowest listed price when we last checked was A$4.40 at Amazon AU. Prices are re-checked daily and dated on this page.
- 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.
- What happens if I don't change it?
- The pad clogs, the pump works harder, and the water the fountain was bought to keep fresh is not.
- How do I reset the filter light?
- Hold the fountain's button after fitting to clear the filter light, or reset it in the PetKit app.
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