TravLand Brush Heads are Compatible with the following Philips Sonicare Snap-On toothbrush handles: Compatible with 2 Series Plaque Control: HX6208 HX6210 HX6211 HX6213 HX6215 HX6220 HX6225 HX6229 HX6025 HX9023 Compatible with 3 Series Gum Health: HX6610 HX6616 HX6620 HX6631 HX6632 Compatible with DailyClean: HX3411 HX3211 HX3217 HX3404 HX3702 HX3724 Compatible with DiamondClean and Smart: HX9312 9300 HX9322 HX9331 HX9332 HX9340 HX9342 HX9350 HX9351 HX9352 HX9359 HX9361 HX9362 HX9370 HX9371 HX9372 HX9381 HX9382, HX9392 HX9393 HX9500 HX9903 HX9924 HX9941 HX9957 HX9961 Compatible with EasyClean: 6500 HX6510 HX6511 HX6520 HX6530 HX6551 HX6582 HX9603 HX9604 Compatible with Elite+: HX3201 HX3213 HX3216 HX3222 HX3226 HX3231 HX3241 HX3250 X3701 HX3734； Compatible with Essence+: HX3211 HX3281； Compatible with ExpertClean: HX9609 HX9610 HX9616 HX9617 HX9630 HX9649 HX9684 Compatible with FlexCare, FlexCare+ and FlexCare Platinum: HX6160 HX6902 HX6910 HX6911 HX6920 HX6921 HX6922 HX6930 HX6932 HX6950 HX6960 HX6963 HX6964 HX6970 HX6980 HX6972, HX6992 HX9172 HX9191 HX9192 HX6160 HX9180 HX9120 Compatible with HealthyWhite and HealthyWhite+: HX6314 HX6710 HX6711 HX6720 HX6721 HX6722 HX6730 HX6731 HX6732 HX6733 HX6750 HX6760 HX6761 HX6780 HX8910 HX8918 HX8962 HX8982 For Kids: HX6304 HX6311 HX6312 HX6320 HX6321 HX6322 HX6329 HX6330 HX6340 HX6341 HX6343 HX6345 HX6351 HX6352 Compatible with PowerUp: HX3100 HX3110 HX3120 HX3130 HX3300 HX3631 HX3650 HX3220b Compatible with Prestige: HX9990 Compatible with ProtectiveClean: HX681a HX6810 HX6810/50 HX682p HX4100 HX4300 HX5100 HX6100 HX6150 HX6160 HX6421 HX6451 HX6800 HX6801 HX6802 HX6803 HX6805 HX6806 HX6808 HX6809 HX6810 HX6842 HX6849 HX6850 HX6851 HX6853 HX6855 HX6856 HX6857 HX6859 Not for Screw-on Handles