Fully Compatibility: Replacement Heads Are Compatible With Philips Sonicare 2 Series Plaque Control, 3 Series Gum Health, Diamondclean, Easyclean, Flexcare, Flexcare+, Flexcare Platinum. Healthywhite And Hydroclean Handles | | U.S. Dupont Bristles: The Hardness Of Bristles Is Medium-Soft, Effective, And Gentle On Teeth And Gums, And Comparable To Branded Replacements | | 10X Cleaning Effect: The Curved Shape Bristles Of Tooth Brush Head Can Perfectly Fit To Your Teeth To Effectively Remove Plaque And Teeth Whitening For A Deep Clean Even In Hard-To-Reach Areas, To Help You A Brighter Smile | | Always Know When To Replace: When The Blue Indicator Bristles Faded, So You Can Tell Right Away When It'S Time For A New Toothbrush Head | | 8 Pack Includes: You Will Receive 8 Toothbrush Replacement Heads And 8 Hygiene Brush Heads - Perfect For Every Dental Need | |