High Compatibility: Guhiwuk toothbrush replacement heads compatible with Philips Sonicare click-on electric toothbrush handles, Fit for Phillips Sonicare 2 Series Plaque Control, 3 Series gum health, DiamondClean, DailyClean, HealthyWhite, FlexCare, EasyClean and ProtectiveClean 4100 5100 6100 C1 C2 G2 W electric toothbrush brush heads. Effective Whiten Teeth: Guhiwuk replacement brush heads effective whiten teeth ust 1 week VS a manual toothbrush. Special W-shape curved of the replacement brush heads is design for better fits the shape of your teeth and effective cleans the gaps and hard-to-reach corners of your teeth, perfectly suited for those wishing to ensure optimal plaque removal and whiten teeth, bringing comfortable brushing experience. High Quality&Indicator Bristles: These electric toothbrush replacement brush heads for philips sonicare are made with made with end-rounded Dupont Tynex Nylon bristles, which are soft , durable and gentle on teeth and gums. Newly upgraded advanced planting bristles technology keeps bristles from falling off, wear-resistant and not easy to break. Indicator bristles will reminds you to replace your toothbrush heads about 3 months. Hygienic Cap: Each electric toothbrush head is individually vacuum-packed, each brush head comes with a hygienic cap to protect bristles keep away from dust for better storage and travel. The 0.2-0.6 mm gap between brush head and handle is for better vibration and less noise. Customer Warm Service: You will get 10 count Guhiwuk Sonic toothbrush heads, these toothbrush heads for Sonic care are made with the highest health and safety standard material. If you have any problems after the purchase please do not hesitate to send us a message, we will serve you immediately. Upgrade your oral hygiene routine with the Guhiwuk Replacement Heads. This pack of 10 electric toothbrush brush heads is compatible with Philips Sonicare click-on models, ensuring a seamless fit and optimal performance. The Black color adds a touch of simplicity and elegance to your bathroom essentials. Enjoy a fresh and invigorating brushing experience with these durable and high-quality replacement heads. Maintain your dental health by regularly replacing your toothbrush heads for a cleaner, brighter smile.