*ORAL B FLOSS ACTION DEEP CLEAN REFILL BRUSH HEADS 4 PACK[GENUINE] Oral B Floss Action Deep Clean Electric Toothbrush Replacement Brush head features floss action bristles to penetrate deep between teeth^. Its dentist inspired round brush head design hugs each tooth and clean even your back molars to remove up to 100% more plaque vs a regular manual toothbrush. Oral B genuine brush heads are designed with X shaped bristles that clean in areas that regular bristles cannot reach, for a deeper clean. Since