The Philips 22-Watt 8 in. T9 Daylight Deluxe Circline Fluorescent Light Bulb (FC8T9/DX) can be used for a variety of commercial and residential lighting applications. This light bulb provides a vibrant, white glow that helps create a cool and refreshing environment. This bulb can shine for as long as 12,000-hours, making it ideal for bathrooms and laundry rooms.