Compatible with Snap-On toothbrush handles (Some may not be listed, but they surely fit if the connection is 'Snap-on'.):

2 Series Plaque Control HX6208, HX6210, HX6211, HX6213, HX6215, HX6220, HX6225, HX6229, HX6231, HX6234, HX6235, HX6240, HX6250, HX6263, HX6274, HX6275, HX9023, HX9034

3 Series Gum Health HX6610, HX6616, HX6620, HX6631, HX6632

DailyClean HX3411, HX3211, HX3217, HX3404, HX3702, HX3724

DiamondClean, DiamondClean Smart HX9312, HX9322, HX9331, HX9332, HX9340, HX9342, HX9350, HX9351, HX9352, HX9359, HX9361, HX9362, HX9370, HX9371, HX9372, HX9381, HX9382, HX9392, HX9393, HX9903, HX9924, HX9941, HX9957, HX9961

EasyClean HX6510, HX6511, HX6520, HX6530, HX6551, HX6582, HX9603, HX9604

Elite+ HX3201, HX3213, HX3216, HX3222, HX3226, HX3231, HX3241, HX3250, X3701, HX3734;

Essence+ HX3211, HX3281;

ExpertClean HX9609, HX9610, HX9616, HX9617, HX9630, HX9649, HX9684

FlexCare, FlexCare+, FlexCare Platinum HX6160, HX6902, HX6910, HX6911, HX6920, HX6921, HX6922, HX6930, HX6932, HX6950, HX6960, HX6963, HX6964, HX6970, HX6980, HX6972, HX6992, HX9172, HX9191, HX9192, HX6160, HX9180

HealthyWhite, 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

PowerUp HX3100, HX3110, HX3120, HX3130, HX3300, HX3631, HX3650, HX3220b Prestige HX9990

ProtectiveClean 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