Oral B Ultimate Clean Black Round Replacement Electric Toothbrush Heads with Crisscross Fibers for Advanced Thorough Cleaning and Removal of Bacterial Plaque,

PERFECT BATTERY PLATE REMOVAL - Perfectly angled positioned electric brush replacement head effectively removes up to 100% more bacterial plaque along the gum line than a regular manual brush COLOR CHANGE FIBERS - Oral-B toothbrush replacement tips have color-changing fibers that tell you when to change the brush end to ensure maximum cleanliness REPLACE EVERY 3 MONTHS - Worn out brush tip makes brushing difficult, leaving bacterial plaque unremoved. For perfect cleaning results, replace brush tip when fibers turn white FOR Oral-B iOS BRUSH HANDS ONLY - Get maximum cleaning power with the unique replacement head designed specifically for the Oral-B iO electric toothbrush and ensuring optimal fit Trusted by dentists: Oral-B is the most recommended toothbrush brand in the world