2sets- product is an 8 pack of replacement brush heads compatible with Oral-B Io Series 2, 3, 4, 5, 6, 7, 8, 9, and 10. Made of plastic in black color, these brush heads are designed for adult use. Each brush head measures 0.78 x 0.78 x 3.1 inches and weighs 4.23 ounces. This pack includes 8 replacement brush heads for electric oral and dental care, ensuring a thorough and efficient cleaning experience.
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