GE LED T8, 48 inch, Dual Mode (A and B), 3500K, 13 watts, 1900 lumens.
GE's Type A+B Tubes offer the flexibility to be used in either Type A (ballast driven, plug and play) or Type B (ballast bypass) applications. A Type A+B Tube can run off a ballast initially, and can run off mains voltage should the ballast fail, or if it is found to be incompatible. Type A mode allows for simple initial installation. To use Type A+B lamps as Type B, the fixture must be re-wired. Double-Ended Type B mode works on shunted or unshunted sockets
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