Anonymous1 year ago000I have used the Sonicare S Sensitive HX6054/07 so far, but it is on sale everywhere. Is this the successor, so is it also compatible?Show in original language (German)razgoolyy1 year ago+110 Helpful answerYes, they are compatible. You can currently find the others at deindesl.chShow in original language (German)Commentem.nunes8 months ago000Are the brushes compatible with Philips Sonicare 4100? Thank you!Show in original language (German)CommentAnonymous1 year ago000Yes fits, a bit "strict" but it works.Show in original language (German)Comment