Fits any Philips Sonicare click on toothbrush Compatiable with the Following Philips Sonicare Models(Including but not limited to):
Compatible with DiamondClean HX9322, HX9331, HX9332, HX9334, HX9336, HX9340, HX9342, HX9350, HX9351, HX9352, HX9361, HX9362, HX9371, HX9372, HX9381, HX9382
Compatible with HealthyWhite (+) HX8923, HX8911, HX8918, HX6711, HX6712, HX6721, HX6730, HX6731, HX6761
Compatible with FlexCare (+), FlexCare Platinium HX6921, HX6930, HX6950, HX6972, HX6973, HX6992, HX6970, HX6934, HX6902, HX6903, HX6910, HX6912, HX6920, HX6932, HX6942, HX6962, HX6982, HX6985, HX9110, HX9111, HX9112, HX6911, HX6952
Compatible with EasyClean:HX6510, HX6511, HX6512, HX6530, HX6552, HX6581, HX6582
Compatible with 2er Serie:HX6220, HX6231, HX6201, HX6211, HX6212, HX6221, HX6250, HX6252, HX6253
Compatible with PowerUp:HX3631, HX3650, HX3631, HX3100, HX3110, HX3120, HX3130