Bi-Pin Base T5 High Output Fluorescent Bulb [Set of 4] Wattage: 54W, Color: Soft Daylight Get the perfect light with the T5 BIPIN BiPin 54 watt Fluorescent light bulb. Box contains 1 bulb. Color Temperature: 5000K, Soft Daylight Average hours: 24000, CRI: 82, Lumens: 4300, MOD: 0.625, MOL: 45.75 Contains Mercury: Yes