5 Different Fluorescent Tube Sizes and How to Choose One
https://www.thespruce.com/t-type-fluorescent-light-bulbs-1152396
WEBOct 26, 2023 · Fluorescent tubes come in five basic types, identified as T2, T5, T5HO, T8, and T12. The "T" designation stands for "tubular," and the following number refers to its diameter in 1/8-inch diameter increments. A T12 bulb, …
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