Oral-B iO Ultimate Clean Replacement Brush Heads, Black, 2 Count

The Oral B io series combines powerful, but gentle micro-vibrations with Oral B unique dentist-inspired round brush head design for a professional clean feeling every day. Ultimate clean refills help remove plaque, leaving teeth feeling clean and bright. Tufted bristles help clean hard-to-reach areas of the mouth. Dentists recommend changing your toothbrush head every 3 months For best results.