Keyston KT-LED15T8-48GC-850-D/G3 Cool White Direct Drive T8 LED Tube - 5000K, 15W, 120-277V, 4' Brand_LEDVANCE the Sylvania door kit allows

the Sylvania door kit allows for select lumens by operating at 20 watt

T5HO tubes are ideal for high bay and low bay lighting

Replaces 2 and 3-lamp T8 fluorescent 1x4 troffer fixtures

double edge fluorescent lamp holder for T8 and T12 U-bend and linear lamps and programmed start ballast

Keyston KT-LED15T8-48GC-850-D/G3 Cool White Direct Drive T8 LED Tube - 5000K, 15W, 120-277V, 4' Brand_LEDVANCE the Sylvania door kit allowsKeystone KT LED15T8 48GC 850 D G3 third generation, Type B (ballast bypass), 15W, 1930lm, cool white 5000K, 4', T8 Direct Drive LED tubes. Direct Drive eliminates the need for an external driver or ballast. For new construction installations, simply connect the 120 277V line voltage directly to all sockets on a single end of the light fixture. For retrofit installations, bypass the existing ballast by cutting the wires and instead connect the 120 277V