“Does it work with model HX6921 /04? My old brush has C2 on it . does C1 fit too? Thank you.”

1-2 of 2 Answers

• Both the C1 and C2 brushes fit on my unit. They are interchangeable.

  Answered by HappyCustomer 2 years ago

  • Verified Purchase
  • 

  Helpful (0)Unhelpful (0)

  Report

  Sorry, there was a problem. Please try again later.

• Hi! Yes. The Philips Sonicare SimplyClean C1 brush head will fit the Philips Sonicare FlexCare+ toothbrush HX6921/04.

  Answered by Answered by Philips 2 years ago

  Helpful (0)Unhelpful (0)

  Report

  Sorry, there was a problem. Please try again later.