Oral-B Pro Precision Clean Electric Toothbrush Refill Replacement Heads, 4 Pack The Oral-B Pro Precision Clean replacement electric toothbrush head bristles to brush away plaque for a superior tooth-by-tooth clean than with a regular manual toothbrush. Oral-B genuine brush heads are designed with new X-shape bristles that clean in areas that round ones cannot reach. Its brush head usage indicator turns bristles from green to yellow showing you when to change for 100% cleaning efficacy. Guaranteed fit with Oral-B electric rechargeable toothbrushes except for Pulsonic & iO toothbrushes. Extra Long Product Title - Oral-B Pro Precision Clean Electric Toothbrush Heads, Pack of 4 Counts Supplied Description - Oral-B Pro Precision Clean Electric Toothbrush Heads, 4 Counts Features: Removes up to 100% more bacterial plaque for cleaner teeth and healthier gums vs. a manual toothbrush Only genuine Oral-B brush heads feature X-shape bristles that clean in areas that regular ones cannot reach for optimal cleaning efficacy Oral-B Precision Clean features 3 types of bristles size for precise clean Guaranteed fit with Oral-B electric rechargeable toothbrushes except Pulsonic & iO toothbrushes Brush head usage indicator: bristles turn from green to yellow reminding you when to change to keep 100% cleaning efficacy Oral-B is the #1 brand most used by dentists worldwide with clinically proven results Box Contains: Oral-B Pro Electric Toothbrush Replacement Heads, 4 Pack Oral B Precision Clean 'Electric Toothbrush Refill Replacement Head', Pack of 4 in Blue