The Philips Sonicare E-Series Standard Replacement Toothbrush Brush Heads (HX7022) are designed for use with Philips Sonicare electric toothbrushes. These replacement heads feature medium and soft bristles with reminder bristles to help ensure thorough cleaning and gentle effectiveness. They are compatible with the Philips Sonicare E Series, Elite e5000 Series, and Elite e7000 Series, making it easy to maintain good oral hygiene with a trusted brand like Philips Sonicare.