Experience a superior clean with Oral-B Cross Action Black Brush Heads, featuring angled X-shaped bristles that remove up to 100% more plaque than a manual toothbrush. With innovative CleanMaximiser bristles that change color when it’s time to replace, these brush heads ensure optimal hygiene and performance. Compatible with all Oral-B electric toothbrushes except Pulsonic & iO. Oral B Replacement Brush Heads Cross Action EB50 Black Edition 4 PacksCLEANMAXIMISER BRISTLES: New bristle technology turns green bristles yellow to indicate when it's time to replace the brush head. X-SHAPE BRISTLES FOR DEEP CLEANING: Engineered to clean areas standard bristles can’t reach for maximum plaque removal. ANGLED FOR PRECISION: 16-degree angled bristles are perfectly positioned to reach deep between teeth and along the gumline. BLACK EDITION DESIGN: Stylish black brush head complements sleek brush handles and maintains Oral-B’s professional performance. COMPATIBLE WITH MOST ORAL-B HANDLES: Works with all Oral-B rechargeable electric toothbrushes, excluding Pulsonic & iO models. DENTIST-RECOMMENDED PERFORMANCE: Removes up to 100% more plaque than a manual toothbrush and helps promote healthier gums.