The inner lamp seems to stand out slightly over the outer which is what I was looking for. But the bulb I received has both bulbs in the same parallel plane. Luckily it just barely fit in my compartment. The package came and was previously opened, with a torn inner packaging and plastic. It was still packaged relatively securely and worked, but it looks like I'll need a new ballast as well, so I can't comment on how well it continues to work. either repackaged or at least previously opened.
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