Sunlite F17T8/SP835/10PK T8 High Performance Medium Bi-Pin (G13) Base Straight Tube Light Bulb (10 Pack), 17W/3500K,... 17 Watt, Case of 10 Lamp T8 Light Bulb, Produces a spectacular Neutral White Light at 3500K Simply remove and replace current bulbs Works with linear fluorescent rapid & instant start fixtures Ideal solution for commercial, industrial, sign, and display applications