We bought these and several black bulbs. These 23 watt Sleek lights were MUCH better than incandescent bulbs which didn't produce fluorescent/neon lights. I've seen better fluorescent tubes, they weren't very consistent from one bulb to another, or even the same bulb. By that I mean there are parts of the world that are brighter than others and the coating on the glass wasn't always even. Despite this, it still produced what we intended. I would buy these and the black LED bar we used for the birthday party, but would definitely avoid incandescent bulbs.
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