Oral B Replacement Brush Heads Cross Action EB50 Black Edition 2 PacksExperience 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 its time to replace, these brush heads ensure optimal hygiene and performance. Compatible with all Oral B electric toothbrushes except Pulsonic & iO.