Keep your teeth clean and healthy with this two-pack of Oral-B Ultimate Clean replacement brush heads. The dual-length tufted bristles reach in between teeth for a deep clean, while the round head design covers each tooth for effective plaque removal. These Oral-B Ultimate Clean replacement brush heads are compatible with Oral-B iO series handles for easy use. | Io Series Ultimate Clean Replacement Brush Head For Oral | B iO Series Electric Toothbrushes (2-Count | White | Best Buy