Philips One uses its own head system. Standard Sonicare click-on heads are not Philips One refills.
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Exact pair comparison
| Handle | Head | Catalog result |
|---|---|---|
| Philips One Battery HY1100/03 | Philips One replacement heads | Confirmed fit |
| Philips One Battery HY1100/03 | Philips Sonicare C3 Premium Plaque Control | Confirmed not fit |
| Philips Sonicare 4100 Series HX3681/24 | Philips One replacement heads | Confirmed not fit |
| Philips Sonicare 4100 Series HX3681/24 | Philips Sonicare C3 Premium Plaque Control | Confirmed fit |
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Why this matters
Marketing names often cover multiple generations. The connector, model code and manufacturer fit list are the reliable purchase checks. A head that looks similar may fail to attach, and smart features need their own support check.
What to do next
- Read the code printed on the handle.
- Search that code in the model finder.
- Open the exact head family and compare the retail pack part number.
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Sources and scope
- Philips brush-head system guide · manufacturer; web search excerpt; retrieved 2026-10-30