BULB - 22W CIRCLINE DAYLIGHT

Commonly used in offices, businesses, factories, and schools, fluorescent tubes provide brighter light at a lower energy draw than incandescent lights. Fluorescent tubes require a ballast to provide a current for the lamp. Also known as circline bulbs, T9 fluorescent bulbs have a 1 1/8" diameter and are typically used to light garages, basements, and workshops.