When a lot of light is needed, this bulb will provide just what you're looking for. Get a 2600 lumen punch of light from 40 watts of energy with this T12 bulb. The cool white color will commonly be found in kitchens, bathrooms, offices and retail spaces, making it universal across many applications. The ALTO technology this bulb offers provides less mercury than traditional bulbs, making it more environmentally friendly. Installation should only take seconds, just remove the existing lamp and twist this one in, anyone can do it.