Dave wrote on 06/08/17 at 03:07:59:Yep.....there does seem to be some variance in what is in the package. I have one that is marked "Sylvania" on the metal base - and another one is marked "Osram".
I think Sylvania and Osram are the same company. There are a bunch of different bulbs in each line though and the differences and similarities between them are not easy to decipher sometimes. I suspect a good deal of it it just marketing bs.
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