Easy to install &100% Customer Satisfaction? Just pull your old brush head and snap the new one on, easily and smoothly. Before shipment there would be a strict QC to make sure work properly. Just reach out to our dedicated customer service team (By contacting the seller in your order info), we will work with you to ensure your satisfaction!. Leading High-Quality? Fed up with replacement toothbrush heads that are noisy, fit badly, lose bristles or break easily? The Sensitive toothbrush head adopts DuPont filaments which has been approved as the apex of quality in the oral care synthetic filament industry, it is durable and not easy to fall off that ensure you’ll get a great brushing experience!. Superior Clean &Soft DuPont Bristles? With the flossing technology, the high-low DuPont bristles toothbrush head is ideal for cleaning around sensitive and inflamed areas and protecting the gums from being damaged. Clinically proven to remove up to 7x more plaque along the gumline and in between teeth than a manual toothbrush. Great Compatibility? Electric toothbrush head is compatible with the entire lineup of Oral-B rechargeable handles. (Except Oral-B sonic toothbrushes). Fits Vitality, Triumph, Genius, Professional, and More. Pack of 8 Replacement Brush Heads &Value Purchase? Included 8 Precision Clean toothbrush heads allow you to replace at any time. Each brush Head has a different color-coded identification ring which will help you to pick up your personal brush heads so that you can share with your family.