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.

What happens if I don't change it?

Splayed bristles clean less and can hurt gums; the indicator bristles fade to show it is due.

Electric toothbrush brush head

Waterpik Sonic-Fusion Brush Head (2-pack)

Sonic-Fusion Brush Head

Fits 1 model · replace every 3 months

Wrong part, or your model missing? Tell us. A person checks every report.

GenuineGenuine Waterpik

$15.91 each

2-pack $31.82

Amazon AU · 5 OctLowest genuine · Amazon AU · checked 5 Oct

CompatibleCompatible option

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No compatible seller tracked yetNo compatible seller tracked yet

Genuine: made by Waterpik. Compatible: another brand. Check certification on the seller's page.Genuine is made by Waterpik. Compatible is made by another brand. Check the seller's certification details before choosing.

Lowest price · $15.91 each · 2-pack $31.82

Amazon AU. Every seller we track is listed below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.

Open Amazon AU · $15.91 each · 2-pack $31.82

Compare 2 sellers

AUD, before delivery. Each price shows when it was checked.

Genuine Waterpik

2 sellers

Amazon AUGenuine · checked 5 Oct · may have changedGenuine part · Lowest genuinechecked 5 Oct · may have changed$15.91 each2-pack $31.82OpenGo to seller

ManufacturerGenuine · checked 23 Oct · out of stock when checkedGenuine part · Manufacturer · out of stock when checkedchecked 23 Oct$45.00OpenGo to seller

Open cheapest seller · $15.91 each · 2-pack $31.82

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 3 months.

Not due yet?

Get a nudge when your filter is due — it's every 3 months. One email two weeks before, no newsletter. Manage or stop it anytime.

How to change the Sonic-Fusion Brush Head brush head

Watch the guide or follow the steps.

How to Use Waterpik Sonic-Fusion 2.0 · Waterpik (official)

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.

Every number this part goes bySonic Fusion Brush Head · Sonic-Fusion Brush Head

Retail name:: Sonic Fusion Brush Head
Retail name:: Sonic-Fusion Brush Head

Sellers list any of these; they are the same part.

Will it fit your appliance?

Type your model number and we'll check it against the makers' lists.

Your appliance model

Fits these 1 Waterpik modelSonic-Fusion Professional

Waterpik1 model

Sonic-Fusion Professional (brush head)

Common questionsWhich brush head fits the Waterpik Sonic-Fusion Brush Head? · How often should I replace the brush head in my Waterpik Sonic-Fusion Brush Head? · Where can I buy the Sonic-Fusion Brush Head in Australia?

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 2 Australian sellers for the Sonic-Fusion Brush Head; the lowest listed price when we last checked was A$15.91 at Amazon AU. 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.
What happens if I don't change it?: Splayed bristles clean less and can hurt gums; the indicator bristles fade to show it is due.

Something looks wrong with the Sonic-Fusion Brush Head match? . Reports go to a person, not a bot.