Generally good. The bulbs work as promised and Bioluz has a detailed list of dimmers for each of their bulbs on their website which was accurate for the two types of bulbs I tried. Two puns: (1) These lamps are often used in pitchers near the ceiling, often quite high. The usual tool for installing such lamps is a long stick with a suction cup to hold the bulb. But these bulbs have a wavy notch pattern on the outside of the glass so the suction cups don't grab the bulb. I pulled out the old lightbulbs with no problem, but I had to hire someone with a tall ladder to install the new ones. This wavy structure is probably meant to improve the spread of light from the bulb, but it would be better if it was *in* the bulb. In my case, the guy with the tall ladder (18ft!) cost more than 4 lightbulbs! (2) These lamps dim well. But like most LED bulbs, the temperature of the light doesn't change when dimmed (incandescent bulbs tend to "warm up" a bit when dimmed). I find the high (daylight) color of these lamps a little strange when dimmed. Maybe I'll get used to it over time.
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