Linear LED Bulb, Bulb Base Type Medium Bi-Pin (G13), Bulb Housing Glass, Bulb Shape T8, Color Rendering Index 80, Color Temperature 4000K, Incandescent Wattage Equivalency 28 W, Lumens 1,600 lm, Nominal Length 4 ft, Shatter-Resistant Yes, Watts 9 W, Color Selectable No, Light Technology LED, Bulb UL Type Type B, Voltage 120 to 277V AC, Standards cULus, NSF Rated, UL 1993 Environmental Rating Damp Location, Overall Length 48 in, Bulb Manufacturers Warranty Length 7 yr