So, of coures, first thing I do, google it. I googled the product I had...checked the accessory part of the website (which took me about 5 minutes to find...lousy website, let me tell you) and long story short, everything says these are the right heads. A few reviews said the replacement heads fit on tighter, but I pushed really hard and it didn't. So, I tried it again...tried to squeeze the head on, not pushing too hard to break the thing, but it still wouldn't go on. OH MY GOD. Back to google...check reviews, check recalls, check Costco's website, check amazon...long story short, I couldn't find anything on the internet about badly made toothbrush heads that don't fit my toothbrush. Anyways...I continued to search till I finally gave up, closed up all the packaging and put it (threw it) by the door to return to Costco.
As I stared annoyingly at this stupid pack of 7, so angry that it cost me $50 bucks for them all and now I had to try to return it (waste gas) and now find new heads, I decided I would try one more time to fit those heads onto the toothbrush. So I grabbed the head again and pushed it onto the toothbrush and guess what...it fit. WHAT THE @#$%!.
Yes that little gap...if it doesn't snap on, the thing vibrates off.
Just, don't ask...
Sigh...I don't know what to say. But if there is any other poor soul out there that had the dumbest moment of their life trying to change a toothbrush head at 12am (especially the Sonicare HealthyWhite ProResults replacement brush heads), then read this post. The product is not faulty, the replacement heads are not faulty, there is no recall and it's not your husbands fault. You are faulty.