Life Brand Sonic Pro Advanced Clean Replacement Brush Heads are engineered for superior oral hygiene. Featuring an advanced-clean bristle design, they provide a deep and thorough cleaning. The slim, angled neck is specifically designed to access hard-to-reach areas with ease. Integrated Replace-Me-Bristles fade over time, offering a clear visual reminder when it's time for a replacement. This 3-count pack is exclusively compatible with the Life Brand Sonic Pro Advanced Clean Rechargeable Toothbrush.