Upgrade your brushing routine with the Oral-B CrossAction Refills 8 Pack. Designed as one of Oral-B's premium replacement toothbrush heads, the CrossAction features perfectly angled bristles set at 16 degrees. These bristles are engineered to target plaque effectively, removing up to 100% more plaque compared to a regular manual toothbrush. The improved CrossAction heads are equipped with CleanMaximiser technology, which visually indicates optimal usage by turning green bristles yellow. This ensures you get the best clean every time. The unique bristle design reaches deep between teeth to remove plaque and promotes a healthier mouth overall. These brush heads are compatible with all Oral-B electric toothbrush handles, excluding the Pulsonic and iO models. Experience a superior clean and maintain optimal oral hygiene with these high-quality replacement heads. Product Summary: Oral-B CrossAction toothbrush heads, 8 pack, angled bristles, CleanMaximiser technology, removes up to 100% more plaque, compatible with Oral-B electric toothbrushes (excluding Pulsonic & iO).