These Derffin standard toothbrush heads are perfectly compatible with the following Philips snap-on toothbrush handles: 2 Series Plaque Control, 2 Series Plaque Defense, 3 Series Gum Health, DiamondClean, DiamondClean Smart, PowerUp, DailyClean, ProtectiveClean, PerfectClean, ExpertClean, ExpertResults, Optimal Clean, EasyClean, FlexCare, FlexCare+, FlexCare Platinum, FlexCare Platinum Connected, HealthyWhite, HealthyWhite+, HydroClean, CleanCare+, Essence+, Elite+, For Kids Fit the models of HX3/HX6/HX9/HX8/HX7 Model List(includes but not limited to): HX3100 HX3110 HX3120 HX3130 HX3210 HX3211 HX3210A HX3212 HX3214 HX3215 HX3216 HX3220 HX3220A HX3226 HX3230 HX3230A HX3231B HX3240 HX3240A HX3250 HX3250A HX3260 HX3281 HX3293 HX3296 HX3300 HX3610 HX3620 HX3631 HX3640 HX3650 HX3671 HX3681 HX6011 HX6013 HX6014 HX6015 HX6018 HX6021 HX6024 HX6032 HX6042 HX6053 HX6061 HX6063 HX6064 HX6065 HX6066 HX6072 HX6073 HX6083 HX6100 HX6210 HX6211 HX6212 HX6213 HX6215 HX6220 HX6223 HX6225 HX6230 HX6231 HX6232 HX6234 HX6235 HX6240 HX6250 HX6252 HX6253 HX6254 HX6263 HX6275 HX6330 HX6370 HX6411 HX6500 HX6510 HX6511 HX6512 HX6520 HX6521 HX6530 HX6551 HX6610 HX6616 HX6620 HX6622 HX6630 HX6631 HX6632 HX6710 HX6711 HX6712 HX6719 HX6720 HX6721 HX6730 HX6731 HX6732 HX6750 HX6760 HX6761 HX6763 HX6765 HX6769 HX6780 HX682P HX6822 HX6829 HX6850 HX6853 HX6870 HX6871 HX6897 HX6910 HX6911 HX6912 HX6920 HX6921 HX6930 HX6950 HX6961 HX6962 HX6964 HX6970 HX6972 HX6980 HX7533 HX7514 HX751v HX751g HX8910 HX8911 HX8912 HX8918 HX8920 HX8923 HX8930 HX8931 HX8962 HX8981 HX8991 HX9003 HX9013 HX9023 HX9024 HX9031 HX9033 HX9042 HX9043 HX9044 HX9053 HX9073 HX9100 HX9110 HX9111 HX9112 HX9140 HX9141 HX9142 HX9160 HX9172 HX9182 HX9191 HX9210 HX9300 HX9302 HX9306 HX9311 HX9312 HX9314 HX9315 HX9316 HX9317 HX9318 HX9322 HX9330 HX9331 HX9332 HX9334 HX9340 HX9342 HX9350 HX9351 HX939W HX9392 HX9393 HX9394 HX9580 HX9903 HX9911 HX9924 HX9930 HX9950 HX9954 HX9957 HX9964 HX9980 HX9984Conform to the safety and health standards, CE & FDA approved. Each head has a color coated ring for identification, convenient for family use. Blue indicator bristles remind you to replace the brush head for better clean. Made of soft and flexible DuPont nylon bristles, work as well as original heads. Pack of 8 brush heads with hygienic caps, perfectly compatible with Philips toothbrushes.