RL B LTMT CLN RPLC BRSH HDS WHT. Benefits: Combines Oral-B's iconic round brush head with gentle micro-vibrations for a surprisingly enjoyable experience and healthy teeth and gums for life. Reduces plaque build-up along the gumline. The dual-length bristles surround and reach deep in-between teeth and have high density for an ultimate clean. Tufted bristles help clean hard-to-reach areas of the mouth. Compatible with Oral-B iO Electric Toothbrush Handles. Includes: iO Ultimate Clean Replacement Brush Heads (2 ct). :