Fit perfectly with Philips Sonicare click-on toothbrush: these replacement brush heads design for Philips Sonicare 3 Series, they are also compatible with Philips HX6, HX9 Series Gum Health,ProtectiveClean, HealthyWhite, FlexCare, DiamondClean,DailyClean 1100 EasyClean & R Series Electric toothbrushes Handles

Improves Oral Health Up to 100%: electric replacement heads's bristles with densely-packed and high-quality, it can remove up to 7x more tooth stains than a manual toothbrush, and it can remove tooth stains along the gum line, helping to improve your oral health

Premium Dupont Nylon Bristle : replacement toothbrush heads with soft flexible sides give you the option to focus on a variety of needs, brush heads fit the shape of your teeth for a thorough clean, the slim brush neck can help you reach the back teeth, allowing you to easily move the toothbrush head, especially in hard-to-reach areas to remove tooth stains, let you always maintaining your teeth clean and breath fresh

Bristle Never Fall off: replacement heads have unique Advanced bristle planting manufacturing technology which ensures that the bristles never fall off. and the End-rounded bristles are safe and extra-gentle on your teeth and gums for a comfortable brushing experience.

How often to replace the brush? --To keep your teeth clean at all times, Dentists recommend replacing the brush head at least once every 3 months! Each of toothbrush replacement heads comes with a hygienic cap to protect it from dust and bacteria