Electric toothbrush brush head · Waterpik
Waterpik Classic Jet Tip (2-pack)
- Replace every 6 months
- Fits inside the fridge
- Fits 9 models

The everyday Waterpik tip. It fits every Waterpik water flosser except the Whitening model and Waterpik says replace it every six months.
- Change
- Every 6 months (Waterpik)
- Pack
- 2
Every number this part goes by
- Retail name:
- Classic Jet Tip
- Retail name:
- JT-100E
- Retail name:
- Waterpik Classic Jet Tip
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 6 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 6 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.
- 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.
Will it fit your appliance?
Type your model number and we'll check it against our fitment database.
Fits these models
Common questions
- 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 1 Australian seller for the JT-450E; the lowest listed price when we last checked was A$28.00 at genuine_oem. 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.
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