GUM Sonic Daily Sonic Daily toothbrush refills Compatible with the black Gum Sonic Daily battery toothbrush x2 Do you want to be sure that your GUM SONIC DAILY battery-powered toothbrush cleans effectively? Be sure to replace the brush head every 3 months or as soon as the bristles start to become damaged or after a cold or flu. The ultra-soft bristles of this toothbrush are 50% more effective* at reaching the interdental spaces and effectively removing plaque. The power of sonic vibrations helps gently clean your teeth and stimulate your gums. *compared to a manual toothbrush 2 heads compatible with the Gum Sonic Daily battery-powered toothbrush Ultra soft bristles for better cleaning Economical because only the head needs to be replaced