Sylvania 21118 (25-Pack) CF13DD/835/ECO 13-Watt Double Tube Compact Fluorescent Light Bulb, 3500K, 780 Lumens, 82 CRI, T4 Shape, GX23-2 Bi-Pin Base

Color/Finish: Natural White Color Temperature: 3,500K Lumens (light output): 780, 82 CRI Average Lifetime: 10,000 Hours GX23-2 Bi-Pin BaseYou may also like (case of 6 tubes) Sylvania 22407 Fluorescent T8 Lamp, 24 inches, 15 watt, FO17/15W/841/XP/SS/ECO3, 4100K Cool White, Octron Fluorescent tube.