Not only does the Advanced Light LED look like a traditional incandescent bulb, but it has a nearly identical light temperature. We tried it in a standard fixture, and had we not known better, we wouldn’t have guessed it was an LED. The 13.5-watt bulb has a screw-in base and a lumen output equivalent to that of a 60-watt incandescent. It costs $25, with a projected service life of 25 years if used three hours per day.

3M, 800/430-5000, 3m.com/led.

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