Better than the bigger headed refills

Great product

Nil

You need it if you have an oral b brush1

Prices are ridiculously high for these heads !

Great product, does what it's supposed to.

There are better available with more features but not at this price point.

Small heads are good for cleaning the teeth.

None.

You need it if you have an oral b brush1

Prices are ridiculously high for these heads