[Compatible models] Braun Oral-B electric toothbrush iO series only Compatible with all iO series: iO3 iO4 iO5 iO6 iO7 iO8 iO9 iO10. ・[Caution regarding compatible products and parallel im. ・[For those who want to thoroughly brush every nook and cranny] Two types of bristles of different lengths thoroughly remove plaque. ].
eBay