FitMatch
Waterpik Plaque Seeker Tip (2-pack)

Electric toothbrush brush head

Waterpik Plaque Seeker Tip (2-pack)

PS-100E

Fits 9 models · replace every 3 months

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

Genuine

$13.75 each

2-pack $27.50

Amazon AU · 5 Oct

Compatible

See seller

No compatible seller tracked yet

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

Lowest price · $13.75 each · 2-pack $27.50

Amazon AU. Every seller we track is listed below. Some links earn us a commission.

Open Amazon AU

Compare 2 sellers

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

Open cheapest seller · $13.75 each · 2-pack $27.50

Opens Amazon AU in a new tab. Their page is the source of truth for price, delivery and returns.

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.

Also saves the model to a FitMatch account under this address; the email signs you in, no password.

How to change the PS-100E brush head

Watch the guide or follow the steps.

Waterpik | Flossing Tip Guide · Waterpik (official)
  1. 1Press the eject button on the handle and pull the old tip out.
  2. 2Push the new tip in until it clicks.
  3. 3Replace every 3 months.
Every number this part goes by
Retail name:
Plaque Seeker Tip
Retail name:
PS-100E
Retail name:
Waterpik Plaque Seeker Tip

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.

Fits these 9 Waterpik models

Every standard Waterpik tip fits every Waterpik water flosser except the Whitening model; Waterpik lists them all, so pick the tip by what you need it to do (Classic Jet for everyday use).

Common questions
Which brush head fits the Waterpik PS-100E?
The Waterpik PS-100E takes the Waterpik Plaque Seeker Tip (2-pack) (part PS-100E).
How often should I replace the brush head in my Waterpik PS-100E?
Every 3 months, or sooner if it looks worn.
Where can I buy the PS-100E in Australia?
We track 2 Australian sellers for the PS-100E; the lowest listed price when we last checked was A$13.75 at Amazon AU. Prices are re-checked daily and dated on this page.
How do I fit the PS-100E in a Waterpik PS-100E?
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 PS-100E match? . Reports go to a person, not a bot.