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Title: got the fake ones too!
Review: Like many others here, I believe Amazon sent me the fake ones.At first I didn't notice much difference, but after extensive use, it didn't trigger the change-head reminder on my electric toothbrush. Then I looked at customer posted pictures and notes on genuine & fake comparison, pretty sure I received fake ones.So I contacted Amazon, was told to send them back on my expense for partial refund, I say NO! I'm keeping them and let all my friends know, I thought we deserved an apology from Amazon but apparently they don't think that way, very disappointed!
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