These bulbs are indistinguishable from your old light bulbs! The only thing I didn't like about LEDs and their fluorescent predecessors was the department store lighting effect - bright white/bluish light. I finally found these LEDs, perfect for creating a warm glow that keeps our homey vibe going. The 40 watt version fits most lights as purchased, but I wish they had a 60 watt version which I need in places. I was so happy with the purchase of the first 6 bulbs that I bought 12 more to replace most of the remaining bulbs. I haven't had to replace any of my dimmers (installed about 10 years ago) - they work perfectly. I have found that with X10 dimmers when 1 bulb is connected to the dimmer they also work fine. They also work well with Insteon dimmer modules, but the dimming level needs to be lowered and the fade in is not too smooth. (You Insteon and X10 users will see what I mean). I highly recommend these bulbs after trying and returning a few others that claim to be warm (actually, white LEDs with amber glass don't work for me).
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