Linear LED Bulb, Bulb Base Type Medium Bi-Pin (G13), Bulb Housing Glass, Bulb Shape T8, Color Rendering Index 80, Color Temperature 3500K, Incandescent Wattage Equivalency 32 W, Lumens 1,900 lm, Nominal Length 4 ft, Shatter-Resistant Yes, Watts 13 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