The Waterpik Complete Care 5.0 takes the Waterpik Classic Jet Tip (2-pack) (part JT-450E) as its brush head; replace it every 6 months; Australian sellers list it from A$11.00 as of 5 October 2026. Fitment confirmed against the manufacturer's compatibility list.

Your electric toothbrush
Waterpik Complete Care 5.0
Electric toothbrush
Confirmed against Waterpik's listConfirmed against Waterpik Australia's compatibility list
Not yours? ChangeSave it · remind me every 6 months
Takes the JT-450E brush head
Classic Jet Tip (2-pack) · replace every 6 months · check the code on your old part before ordering.

Your electric toothbrush
Electric toothbrush
Confirmed against Waterpik's listConfirmed against Waterpik Australia's compatibility list

Takes the JT-450E
Brush head · every 6 months · check the code on your old part.
Other Waterpik electric toothbrushes that take the JT-450E
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.
Compare 3 sellers
AUD, before delivery. Each price shows when it was checked.
Genuine Waterpik
3 sellers
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 brush head in your Waterpik Complete Care 5.0
Watch the guide or follow the steps.
- 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 by
- 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.
About your Waterpik Complete Care 5.0

Waterpik electric toothbrush, electric toothbrush — Complete Care. Its brush head is the Classic Jet Tip (2-pack), part JT-450E, changed every 6 months.
Also in this electric toothbrush: Waterpik Orthodontic Tip (2-pack) (every 3 months), Waterpik Pik Pocket Tip (2-pack) (every 3 months), Waterpik Plaque Seeker Tip (2-pack) (every 3 months), Waterpik Tongue Cleaner Tip (2-pack) (every 6 months), Waterpik Toothbrush Tip (2-pack) (every 3 months), Waterpik Complete Care Brush Heads (3-pack) (every 3 months).
Where the model number is: The range name is printed on the handle; the type number is in small print on the underside of the handle.
Fits these 9 Waterpik models
Common questions
- Which brush head fits the Waterpik Complete Care 5.0?
- The Waterpik Complete Care 5.0 takes the Waterpik Classic Jet Tip (2-pack) (part JT-450E).
- How often should I replace the brush head in my Waterpik Complete Care 5.0?
- 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 Complete Care 5.0?
- 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 Complete Care 5.0 match? . Reports go to a person, not a bot.