HSYTEK Replacement Toothbrush Heads Compatible with Oral B iO Replacement Heads for Oral B iO 3/4/5/6/7/8/9/10 Series Electric Toothbrush,10 Pack, Black

• PERFECT COMPATIBILITY: The replacment heads are compatible with Oral B iO replacement heads for Oral B iO 3/4/5/6/7/8/9/10 Series Electric Toothbrushes. HIGH QUALITY: The brush head compatible for Oral B iO Replacement heads is made with US high quality DuPont bristles. Durable and gentle on your gums. UNIQUE MARKINGS: Each pack of brush heads has 5 round marks as well as 5 heart-shaped marks toothbrush heads for iO electric toothbrush, making it easy for you to share and differentiate with your family. POWERFUL CLEANING POWER: Upgraded design not only provides 10x more plaque cleaning power compared to manual toothbrushes, but also the high-density bristles penetrate deeper between the teeth to minimize plaque buildup along the gum margins for the ultimate clean. REPLACE EVERY 3 MONTHS: The dentist recommends that your replace your iO replacement head with a new one every 3 months to ensure that it will give you the most effective cleaning possible.