Highest-quality, best value, Signature Values’ premium Great Value Tech replacement toothbrush heads are compatible with all Philips Soincare E-Series. There are a high-quality alternative and an excellent value compared to the Philips Sonicare E-Series versions. These are guaranteed to work as well as original Philips Sonicare e-Series Advance, Elite, Essence, Xtreme and CleanCare series toothbrush heads for only a fraction of the cost. <br><br> Don’t just take our word for it. View all of excellent 5 star feedback from many of our satisfied customers. <br><br> Blue reminder bristles fade in color to let you know when it's time to replace the toothbrush head. <br><br> Great Value Tech's premium brand replacement toothbrushes are the highest-quality, and best overall value replacements available compatible with Philips Sonicare E Series (HX7022, HX7023, HX7026). <br><br> These premium Great Value Tech replacement toothbrush heads are made to fit the following Philips Sonicare Electric Toothbrush Handles:<br> - Advance<br> - Essence (NOT Compatible with Essence+ (PLUS))<br> - Elite<br> - CleanCare<br> - Xtreme <br><br> These premium replacement toothbrush heads are made by Great Value Tech and compatible with all of the following Philips Sonicae E-Series handle models:<br> HX3300; HX3351; HX3500, HX3551; HX3881; HX4002; HX4101; HX4011; HX4321; HX4772; HX4511; HX4572; HX4573; HX4772; HX4871; HX4872; HX5130; HX5251; HX5300; HX5310; HX5350; HX5351; HX5352; HX5400; HX5451; HX5500; HX5551; HX5581; HX5610; HX5611; HX5751; HX5752; HX5754; HX5810; HX5853; HX5910; HX7351; HX7361; HX7381; HX7551; HX7553; HX7800; HX7841; HX7881; HX9500; HX9552; HX9553; HX9562; HX9842; HX9882; etc. <br><br> PACKAGE INCLUDES:<br> 4 Count Great Value Tech's Premium Brand Replacement Toothbrush Heads with Hygienic Caps, Individually Sealed in Great Value Tech packaging and compatible with Philips Sonicare E-Series.