High Compatibility: Guhiwuk replacement toothbrush heads compatible with Philips Sonicare 2 Series Plaque Control, 3 Series gum health, DiamondClean Smart, ProtectiveClean 4100 5100 6100 Click on electric toothbrush Handles.Not fit for Philips One Handles.Effective Plaque Cleaning: Guhiwuk replacement toothbrush heads for Phillips Sonicare effectively remove 8X more plaques accumulated on the teeth surface.S-shape of the replacement brush heads is design for better fits the shape of your teeth and effectively cleans the gaps and hard-to-reach corners of your teeth.High Quality Bristles: Guhiwuk toothbrush replacement heads for Philips Sonicare bristles are made with premium End-Rounded Dupont Nylon Bristles in order to provide a comfortable cleaning for your teeth.Indicator Bristles&Hygienic Cap: Guhiwuk electric toothbrush heads for Sonic care indicator bristles reminds you visually to replace your toothbrush heads about 3 months. Every electric toothbrush head is individually wrapped with a hygienic cap for storage, travel.Customer Warm Service: You will get 10 Count Guhiwuk electric toothbrush replacement heads. If you have any problems after the purchase please do not hesitate to send us a message, we will serve you immediately.