I need to replace my GX24Q-3 bulbs and Sylvania no longer makes bulbs. I've tried many different options including LED. Brand name bulbs are the same price as this 4 pack. So it's great value for money! These bulbs aren't like the Sylvania though, take time to warm up and aren't as bright. I have 3 bathroom fans that need these bulbs and compared to the one that's about to die, it's even brighter than this one. I don't know if they are that long lasting (but for the price if it works 1 year it's already worth it) when you shake the bulb there is a loose glassy sound I thought broken at first but they turn on . I suggest you test all bulbs as soon as you receive the package to make sure they all work as some comments suggest not all bulbs work.
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