6 Pack - Arm & Hammer Spinbrush Pro Clean Replacement Brush Heads Soft 2 in Each

a manual toothbrush. Together, both heads deliver up to 3,700 brush strokes per minute for a deeper, more effective clean! vs. The secondary brush bristles move up and down to scrub away plaque and massage along the gumline. A circular oscillating head spins to clean and polish even between teeth. Refills for ARM & HAMMER Spinbrush Pro Series Daily Clean battery-powered toothbrush features dual-action technology