“What size replacement brushes work with this model? Will C1 work?”

1-3 of 3 Answers

• Actually, the former answer "it uses a C3 head" is belied by the company provided photo showing a C2 head. What the little "radar" symbol means, sort of like my computers WiFi presence symbol, is not stated. Looking further, that seems to be the Brush Sync chip symbol, to activate the LED light that it's time to change the brush head. Your handle may not have that capacity, but all brush heads C1, C2, and C3 will work in the handle

  Answered by josenieve 1 year ago

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• Hello! Yes, the Philips Sonicare C1 brush heads work with the Philips Sonicare 4100 Power Toothbrush.

  Answered by Philips 3 years ago

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• It works with c3 brush heads.

  Answered by AMAZING 1 year ago

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