GUM Sonic Daily 4110 Soft Replacement Brush Heads – Black, 2 Pack

GUM Sonic Daily 4110 replacement heads in black use soft bi-level tapered bristles for cleaning tooth surfaces, interdental spaces and below the gumline. The manufacturer states that the bristles reach up to 47 times deeper below the gumline and are up to 50% more effective between teeth than a conventional flat-trim manual brush.