Each product has a unique model number.A model number usually starts with letters followed by series of numbers, e.g. GC6440, 37PFL7403D/10 or SA1300/02.
There are a few different ways you can locate your model number:
Look on the box
Look inside the product
Look on the product
Look on the manual
Snap-on brush head
Easy brush head placement and handle cleaning
Brush head design maximizes sonic motion
Thoughtful design and precision engineering ensure that when this Philips Sonicare replacement brushes are combined with the sonic motion and flexible brushing modes, you get a thorough clean.
Reminder bristles ensure you are getting an effective clean
Reminder bristles let's you know when to replace the brush head. After three months of normal use bristles exhibit fatigue, and brush heads are less effective. Replace your brush heads every 3 months.
Hydroguides help dislodge plaque and food particles
HydroGuides works with our patented sonic technology to direct toothpaste and water between teeth to help you clean those tight spaces. While it doesn't replace flossing, it can help give you a better clean between teeth.