How do I fit the JT-450E in a Waterpik JT-450E?

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 Classic Jet Tip (2-pack)

JT-450E

Fits 9 models · replace every 6 months

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

GenuineGenuine Waterpik

$11.00 each

2-pack $22.00

Chemist Warehouse · 5 OctLowest genuine · Chemist Warehouse · checked 5 Oct

CompatibleCompatible option

See seller

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 · $11.00 each · 2-pack $22.00

Chemist Warehouse. 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 Chemist Warehouse · $11.00 each · 2-pack $22.00

Compare 3 sellers

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

Genuine Waterpik

3 sellers

Chemist WarehouseGenuine · checked 5 Oct · may have changedGenuine part · Lowest genuinechecked 5 Oct · may have changed$11.00 each2-pack $22.00OpenGo to seller

Amazon AUGenuine · checked 5 Oct · may have changedGenuine partchecked 5 Oct · may have changed$11.00 each2-pack $22.00OpenGo to seller

ManufacturerGenuine · checked 22 Oct · out of stock when checkedGenuine part · Manufacturer · out of stock when checkedchecked 22 Oct$28.00OpenGo to seller

Open cheapest seller · $11.00 each · 2-pack $22.00

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

How long it lasts

Usually every 6 months.

Not due yet?

Get a nudge when your filter is due — it's every 6 months. One email two weeks before, no newsletter. Manage or stop it anytime.

How to change the JT-450E brush head

Watch the guide or follow the steps.

Waterpik | Flossing Tip Guide · Waterpik (official)

1Press the eject button on the handle and pull the old tip out.
2Push the new tip in until it clicks.
3Replace every 6 months.

Every number this part goes byClassic Jet Tip · JT-100E · JT-450E · Waterpik Classic Jet Tip

Retail name:: Classic Jet Tip
Retail name:: JT-100E
Retail name:: JT-450E
Retail name:: Waterpik Classic Jet 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.

Your appliance model

Fits these 9 Waterpik modelsComplete Care 5.0, Cordless Advanced Pro 2.0, Cordless Express, Cordless Pulse 3100, Cordless Select …

Waterpik9 models

Common questionsWhich brush head fits the Waterpik JT-450E? · How often should I replace the brush head in my Waterpik JT-450E? · Where can I buy the JT-450E in Australia?

Which brush head fits the Waterpik JT-450E?: The Waterpik JT-450E takes the Waterpik Classic Jet Tip (2-pack) (part JT-450E).
How often should I replace the brush head in my Waterpik JT-450E?: Every 6 months, or sooner if it looks worn.
Where can I buy the JT-450E in Australia?: We track 3 Australian sellers for the JT-450E; the lowest listed price when we last checked was A$11.00 at Chemist Warehouse. Prices are re-checked daily and dated on this page.
How do I fit the JT-450E in a Waterpik JT-450E?: 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 JT-450E match? . Reports go to a person, not a bot.