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I have noticed that Woolworths have got oral b electric toothbrush range reduced to $20 from $45 which I think is a great price and so I think it deserves a post of its own.
Suggest getting a faster model for daily use (anything above PC500 should be fine), but this is a good deal to get 2 heads (would cost approx $4 each genuine), a spare charger (retails for $25; I had one stop working after a few years) and a spare handle (e.g. to take travelling or as a backup if you forget to charge your main handle). Don't forget to pay with discounted wish gift cards.