What do we mean by the terms T2, T5 and T8 under CFL's? - Quora
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Difference between T8 and T5 Aquarium Lighting Explained - YouTube
Simply Conserve 14-Watt/32-Watt Equivalent 4 ft. Linear T8 Hybrid Type A/B LED Tube Light Bulb, Cool White Light 4000K (25-Pack) L14T8G40AB - The Home Depot
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What Are T5 and T5HO High Bay Lights? - RelightDepot