Oral B IO Refills Ultimate Clean Black [4 Pack]

Key Features Combines Oral-B's unique round brush head with gentle micro-vibrations for a surprisingly enjoyable experience and healthy teeth and gums for lifeReduces plaque build-up along the gumlineThe dual-length bristles surround and reach deep in-between teeth and have higher density for an ultimate cleanCompatible with Oral-B iO Electric Toothbrush Handles