Product Features: Our brush heads are engineered to clean each tooth and reach any hard-to-get areas, giving the whole mouth a floss-like cleaning, including the inter dental spaces, round sot bristle brush head cleans better. - Fully compatible with most of Oral B toothbrushes: Oral-B Professional Care Series, Oral-B Triumph Series, Oral-B Tri - Zone Series, Oral-B Advance Power Series, Oral B Vitality Precision Clean, Oral B Vitality Sensitive, Oral B Vitality White + Clean, Oral-B Vitality Dual Clean. - Not compatible with Oral-B Pulsonic and i - O, Oral B Vitality Sonic, Oral B Cross Action Power, Oral B Sonic Complete. Package: x24 pcs Oral-B Electric Toothbrush Heads Replacement