Care for your teeth with the help of this three-pack of Oral-B FlossAction Replacement Brush Heads. Using advanced MicroPulse bristles, eliminate plaque with the deep-reaching action of this brush head that works to give you a superior interdental clean. Bacterial Guard helps to reduce microbial growth while the blue indicator on the bristles let you know when you need to replace your brush. Fits most Oral-B rechargeable handles, keep your oral care in tip-top shape with this FlossAction brush head | Oral-B FlossAction Replacement Brush Head for Toothbrush Size 3s