Current 72131-Ecolux174 Ultra Energy Saving Fluorescent Lamp, T8, Medium Bi-Pin (G13) Base, 4 ft., 25W, 5000K

The characteristics of fluorescent lamps vary widely according to lamp type but they generally have the following advantages: Low Operating CostsEfficient fluorescent lamps can cost significantly less to operate over their lifetime than incandescent lamps.Long lifeLife ratings for fluorescent lamps range from 36,000 to 55,000 hours based on the industry standard of 3 burning hours per start. FlexibilityFluorescent lamps area available in a wide range of sizes, shapes, performance and wattage ratings