The Larson Electronics LEDT8-28W-V1 is a 4-foot LED T-series style bulb that replaces T8 and T12 fluorescent bulbs. It delivers 2,750 lumens and is available in 5600K and 4300K color. This LED tube has an internal driver, meaning the bulb does not require and additional external driver. Operators simply connect either 120/277 VAC or 12/24 VDC directly to the lamp to energize it.
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