4/8/12/16pcs Replacement Toothbrush Heads Compatible for Philips Sonicare Soft Electric Brush Head 4100 6500 6100 7500 5(8pcs Black)

- Reinforced bearing design + shockproof and anti-drop structure, minor collisions do not affect the rotational speed and cleaning performance. - High-elasticity plush bristles, 0.01mm fine tips penetrate deep into the crevices between teeth, easily breaking down stubborn stains. - Arc-shaped grinding and rounding process, gently protecting the gums without irritation, friendly to sensitive teeth and periodontitis. - High-density bristle planting + 45° inclined arrangement, no blind spots in cleaning coverage, efficiency doubles. - 4/8/12/16pcs Replacement Toothbrush Heads Compatible For Philips Sonicare Soft Electric Brush Head 4100 6500 6100 7500 5