Oral-B iO Ultimate Clean Black Brush Heads are meticulously designed replacement brush heads for the Oral-B iO electric toothbrush. They are designed for superior plaque removal, with color-changing bristles that signal when it's time for a replacement. They come in a pack of 8. Offers superior plaque removal by effectively and gently removing up to 100% more plaque than a regular manual toothbrush Features color-changing bristles that fade to white when it's time for a replacement Recommended for replacement every 3 months for optimal results Exclusively designed for - and guaranteed to fit - your Oral-B iO electric toothbrush Trusted by dentists across the globe. Oral-B is the #1 dentist-recommended toothbrush brand worldwide

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