LED Bulb Type B T8, Bulb Base Type Recessed Double Contact (R17d), Bulb Housing Glass, Bulb Shape T8, Color Rendering Index 80, Color Temperature 4000K, Incandescent Wattage Equivalency 86 W, Lumens 5,500 lm, Nominal Length 8 ft, Shatter- No, Watts 43 W, Color Selectable No, Light Technology LED, Bulb UL Type Type B, Voltage 120 to 277 V AC, Standards cULus, UL 1993 Environmental Rating Damp Location, Overall Length 96 in, Bulb Manufacturers Warranty Length 5 yr