Deep Blue Professional ADB43621 T5 Standard 6700K 21-watt Aquarium Daylight Lamp, 36-Inch
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<b>[Product Information]</b><br>
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<li>These Ultra Bright lamps fit T5 high output fixtures</li>
<li>They will not work in standard fluorescent fixtures</li>
<li>Brings out the stunning colors in both marine and freshwater life</li>
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