The triple tube 4-pin 57-watt fluorescent light bulb is ideal for kitchens, baths, utility rooms and work spaces. It is energy efficient and lasts longer than incandescent bulbs. That means you not only save money on your utility bill, but you don't have to hassle with replacing bulbs as often. Even better, it emits more light than a standard bulb and you get the satisfaction of knowing that you are using a product that's environmentally-friendly.