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