Notice: Please read intently and judge the product you need. Quantity: 12/16/20/24/28/30pcs for options. 4PCS/pack For health, changing the toothbrush head more always is necessary. Compatible for all Toothbrushes as below: --HX6011/6013/6014/6016/6017/6311/6412/6432 - HX6711/6730/6731/6732/6733/6780/6782 HX6902/6921/6930/6932/6942/6972/6982/6993 - HX6100/6150/6411/6431/6500/6511 - HX6530/6711/6730/6731/6732/6780 - HX6781/HX6782/HX6902/HX6910/HX6911/HX6912 -HX6921/HX6930/HX6932/HX6933/HX6942/HX6952 - HX6982/HX9332/HX9382/HX9342 - Sonicare R710 Sonicare R732 Sonicare RS910 - Sonicare RS930 Sonicare RS950 Note: Products are fresh and manufacturer sealed. Not made by way of Philips.