Sylvania Compact Fluorescent Light Bulb with Designer Premium Soft White Graphics (20480 / CF13DD/827/ECO/BL/1)

working just fine. 8 hours a day everyday happy with item,

Needed replacement bulbs for my Panasonic whisper fan and light.
The Panasonic bulbs that came with the fan worked great but they are no longer made.
We have 3 fans but only 1 original bulb.

Only the TCP and original Panasonic bulb have no flicker or hum on startup. I can't comment on the GE bulb because I broke it.

Eiko 15576 (3,500K): Flickers a few seconds when starting up. Ok afterwards. Annoys me and has been relagated to the laundry room. This is the first replacement bulb we tried. Hate it in the bathroom but am tolerating it in the laundry room where I leave the light on for longer periods of time. My dislike for this bulb is why I bought 4 oth
er bulbs at the same time -- I put up with that horrible flicker for long enough. If you can put up with a hum and
flicker that eventually go away, it is the least expensive bulb we tried.

TCP 32015 (2700K): Great bulb. Starts up even faster than the original Panasonic bulb and I thought the Panasonic
bulb started up fast. No flicker. No hum.

GE 97587 (3000K): Broke it before installing it. Which is too bad because I wanted to compare the color temperatur
es.

Philips 383109 (2700K): Flickers when starting up.

Sylvania 20480 (2700K): Flickers when starting up.