The iO RB WB-4 Whitening 4-pack from Oral-B includes four high-quality replacement brush heads specifically designed for use with the Oral-B iO electric toothbrush. These brush heads are intended for adults and provide an effective cleaning program aimed at whitening teeth. The innovative technology of the Oral-B iO ensures a thorough yet gentle clean, while the special bristles optimize plaque removal and tooth whitening. Made in Germany, these brush heads guarantee high quality and durability. The package contains four pieces, ensuring regular replacement of the brush heads to maintain oral hygiene at a high level. Using the iO RB WB-4 Whitening brush heads not only supports dental health but also contributes to a radiant smile.