Just received my 15 watt T7 tube bulbs. They are intermediate. They fit perfectly in my very small signature lava lamp. I ordered another set of candlesticks but it was too small. You can see the bulb works and I have plenty of spares. I can't say anything about durability yet. However, I keep track of how long my lightbulbs are lasting by writing the install date on the lamp base. So what will we see? Oh and the package arrived 2 days early.
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