High Compatible with Click-on Toothbrush : Osctor replacement toothbrush heads compatible with Philips Sonicarec electric toothbrush Handles. Fit for sonicare 2 Series Plaque Control, 3 Series Gum Health, DiamondClean, DiamondClean Smart, EasyClean,Flexcare, FlexCare+, PowerUp, Hydroclean and ProtectiveClean 4100 5100 6100 C1 C2 G2 W electric toothbrush heads. Effective Whiten Teeth: Osctor electric toothbrush replacement heads are the trusted choice for gentle, gum-health and effective whiten teeth. The top of bristles special W shape designed for easily reach hard-to-clean areas, effective deep clean stains caused by food and drinks. densely packed bristles up to 8x more plaque removal versus manual toothbrush, perfectly suited for those wishing to ensure optimal plaque removal and whiten teeth. End-Rounded Advanced Bristles: Osctor replacement brush head are made with Dupont Tynex Nylon bristles, newly upgraded advanced planting technology keeps bristles from falling off, wear-resistant and not easy to break. Brush heads with soft and end-rounded bristles material for gentle clean plaque and stain without irritating the gums, bringing comfortable brushing experience. Indicator Bristles: Osctor electirc toothbrush replacement heads for phillips sonicare indicator bristles will fade to white after brush for 3 months, reminds you to replacement your brush heads. Make your teeth as bright as diamonds, bring the best experience and increase happiness for the whole family in the long term. The 0.2-0.6 mm gap between brush head and handle is for better vibration. Great Value&Hygienic Caps: You will get 4 Pcs electric replacement toothbrush heads for sonic care. Each brush head comes with hygienic cap to keep sonic toothbrush heads away from dust, it is much more easy for storage and storage. If you have any questions, please feel free to contact us, we will try our best to help you. Upgrade your oral hygiene routine with Osctor's replacement heads compatible for Philips Sonicare electric toothbrushes. This 4-pack of sonic brush heads ensures you have a fresh, clean head every few weeks for optimal brushing performance. The angled bristles reach deep between teeth and along the gumline to remove plaque and surface stains. With proper brushing technique, you'll experience a refreshing clean that leaves your mouth feeling revitalized. Maintain your electric toothbrush's effectiveness by replacing the heads regularly for a consistently superior clean.