4 to 7
+Comes with four brush heads in the set
+Brush head count ranges from four to seven
$279.99-15%List: $329.99
as of 11/04/2026 00:33 PST - DetailsProduct details
Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads, Aqua Alabaster
$279.99as of 11/04/2026 00:33 PST - Details
View on AmazonPros
+Comes with four brush heads in the set
+Brush head count ranges from four to seven
Compared with the 2 Electric Toothbrushes on this page+4 to 7: the most brush heads of the 6 here
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