The rubber nozzle cup showed up timely and well packaged. While using for the first time, after about an hour, it started to slip down. While pulling the bottle down, the nozzle cup would slip down with the bottle and need to be repositioned again. I never had this problem with the original, and had it for years! It may be that the fit is a little looser than the original. I'm just not sure... I am dissapointed, but I did get my bottling done.
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