Amazon.com : Oral-B iO Series 7 Electric Toothbrush with 1 Replacement Brush Head, Black Onyx, 3 Count (Pack of 1) : Health & Household
Amazon.com : Oral-B iO Series 8 Electric Toothbrush with 2 Replacement Brush Heads and Travel Case, Rechargeable Toothbrush, Black Onyx : Health & Household
Oral-B iO Series Replacement Brush Heads, 6 ct. | BJ's Wholesale Club