Electric toothbrush brush head · Waterpik
Waterpik Sonic-Fusion Brush Head (2-pack)
- Replace every 3 months
- Fits inside the fridge
- Fits 1 model
The flossing brush head for the Sonic-Fusion: a sonic brush head with the water jet through the middle. Waterpik says it fits the Sonic-Fusion only; change every three months.
- Fits
- Sonic-Fusion only (Waterpik)
- Change
- Every 3 months
- Pack
- 2
Every number this part goes by
- Retail name:
- Sonic Fusion Brush Head
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.
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.
- 1Pull the old head straight off the Sonic-Fusion handle.
- 2Push the new head on so the jet opening lines up with the handle's water outlet.
- 3Replace every 3 months.
Will it fit your appliance?
Type your model number and we'll check it against our fitment database.
Fits these models
Waterpik1 model
Common questions
- Which brush head fits the Waterpik Sonic-Fusion Brush Head?
- The Waterpik Sonic-Fusion Brush Head takes the Waterpik Sonic-Fusion Brush Head (2-pack) (part Sonic-Fusion Brush Head).
- How often should I replace the brush head in my Waterpik Sonic-Fusion Brush Head?
- Every 3 months, or sooner if it looks worn.
- Where can I buy the Sonic-Fusion Brush Head in Australia?
- We track 1 Australian seller for the Sonic-Fusion Brush Head; the lowest listed price when we last checked was A$45.00 at genuine_oem. Prices are re-checked daily and dated on this page.
- How do I fit the Sonic-Fusion Brush Head in a Waterpik Sonic-Fusion Brush Head?
- No tools, a few minutes: 3 steps, listed on this page with the replacement video where the maker has one.
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