Experience a deep, floss-like clean with Oral-B Floss Action Replacement Electric Toothbrush Heads. Designed with innovative micro-pulse bristles, these heads reach deep between teeth to remove twice as much plaque as a regular manual toothbrush. The advanced oscillating and rotating technology, recommended by dentists, ensures maximum cleaning and freshness. Compatible with all Oral-B rechargeable handles (except Pulsonic and Sonic models), this 4-count pack is perfect for maintaining optimal oral hygiene with a clinically superior clean. Key Features: Micro-pulse bristles penetrate deep between teeth Floss-like clean and long-lasting freshness