Arm & Hammer Spinbrush PRO Series Daily Clean Replacement Brush Heads keep you stocked with fresh toothbrushes. The Color-Wear bristles on this toothbrush bristles remind you to change your brush head every 3 months or when blue or green bristles on the spinning head fade. So, you keep your Spinbrush spinning and continue removing 70% more plaque in hard-to-reach places.* The spinning head has micro cleaning bristles that combines with patented dual action technology for a better clean, even in between teeth. Includes two medium Arm & Hammer Spinbrush PRO Series Daily Clean Replacement Brush Heads. For clean and healthy teeth and gums, choose Arm & Hammer powered toothbrushes. Versatile and affordable. Gentle yet powerful. For generations of families, Arm & Hammer is the natural choice for taking care of every member of your family. Our toothbrushes, laundry, cat litter, toothpastes and personal care products deliver the quality you can count on, from the brand you trust. *Versus a manual toothbrush.