The old joke, "How many (blonds, lawyers, etc.) does it take to screw in a lightbulb?" just got more complicated! The old flourescent tubes that used to illuminate millions of homes, and still light up many garages, workrooms and office buildings, bid their final adieu on Saturday. If you have one of these old fixtures in your home, you'll need to know your options when the lights go out. T12 bulbs, engineered in the 30's and used for over 50 years, are no longer being manufactured.
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