Daylight 28 watt Circular Tube Bulb (fits the Daylight Ultraslim Fluorescent Magnifier Lamp) - This 28w circular fluorescent tube bulb is specially made to simulate daylight, allowing for exact color matching. Equivalent to a 120w standard bulb. Easier on they eyes than regular bulbs. These are also cooler and emit less heat than regular light bulbs. This bulb fits the Daylight Ultra Slim Fluorescent Magnifier Lamp, #U22020.