I use these in a 3000 sqft retail store and they really are the only bulbs that are bright enough. I can't find them locally anymore, so I'm glad I found them at Revain. They last about 6 years (some of mine have for over 7 years)! They are bright white. My only complaint is that a lightbulb was broken when I received the case. Not sure if you can replace just one bulb instead of returning all 12?
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