A:AnswerHello! You do not need to look for the brush head that has exact serial numbers. You can use any Philips Sonicare snap-on or click-on brush heads for your toothbrush, like this Philips Sonicare SimplyClean brush heads. This Philips Sonicare SimplyClean brush heads are similar with the C1 brush heads. Should you need further assistance, you can call us at 1-800-682-7664, Monday - Sunday 9:00 AM - 6:00 PM EST.
A:AnswerYes, these are stiffer than the diamond series. For me these are the best of the sonicare brush heads. They leave my teeth squeaking clean. My dentist is always commenting how clean my teeth are.
A:AnswerHello! The Philips Sonicare Simply Clean brush heads are compatible with all Sonicare toothbrushes that accept snap-on or click-on brush heads.
A:AnswerHello! You might have received the earlier version of the brush head. However, if you need further assistance, call us at +1 (800) 682 7664, Monday to Saturday: 09:00am - 09:00pm EST, Sunday: 09:00am - 06:00pm EST.
A:AnswerHello! Philips Sonicare C1 SimplyClean HX6015/03 and HX9042/65 are both click-on brush heads and will fit with click-on Philips Sonicare toothbrushes.
A:AnswerMost probably yes if both are philips products. There are some fakes around. Best to check with the Philips website to make sure since there are so many versions.
