GE, F14WT5/ECO41/CB, 14W, Cool White, Linear Fluorescent Bulb, T5, 5/8" Diameter, Miniature Bi-Pin Ends, Kelvins: 4,100, Rated Life: 30,000 Hours At 3 Hour Burn, 36,000 Hours At 12 Hour Burn, Lumens: 1350, MOL: 21.6", Ecolux = Environmentally Friendly For Ease Of Disposal.