They help me get through the dark cold winter with much brighter and clearer light. I like the quality and hue of the light. I wish they were 13w or less, it's 15w, and it's not the best wattage for some ceiling fans or similar devices, but although they're slightly higher wattage, they suit my particular device because the top is open and no heat builds up. which is an important issue to be careful about. So I would say make sure you know your wattage requirements and fixture design before using them, but if you can. then they are great!
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