Oral-B FlossAction Replacement Toothbrush Heads – Pack of 2Experience a deeper clean with the Oral B FlossAction Replacement Toothbrush Heads, engineered with MicroPulse bristles that reach deep between teeth for superior plaque removal. These high performance brush heads are compatible with most Oral B electric toothbrush handles and come in a convenient pack of 2. MicroPulse bristles designed to clean deep between teeth. Round brush head provides a tooth by tooth clean. Compatible with most Oral B handles