The Philips Daylight Deluxe 40-Watt Linear Fluorescent Light Bulb (2-Pack) (F40T12/Daylight Deluxe) helps creates a cool and refreshing environment inside of your home or business. These bulbs cast a vibrant, stimulating natural daylight glow making them ideal for household applications in your bathroom or laundry room. These bulbs feature ALTO technology and contain less mercury helping them to be better for the environment.