What is philips sonicare a3 premium all in one brush heads white? The a3 premium all in one brush head delivers exceptional cleaning power, removing up to 20 times more plaque and reducing stains by up to 100%. In just 2 weeks, this brush head can also promote up to 15 times healthier gums. With its unparalleled performance, it's the only brush head you need for cleaner, whiter teeth and improved gum health. What are the key features? The bristle shape designed for your smile gently brush away stains with triangular tips soft bristle usage how to use philips sonicare a3 premium all in one brush heads white replace brush heads every 3 months usage warnings precautions to consider before using philips sonicare a3 premium all in one brush heads white for external use only keep out of reach of children use only as instructed warnings