GE's ceiling domes are ideal for rooms in which bright illumination is desired. They are a flicker-free instant-on fixture. They are easy to install. These fixture's use GE's 38 watt 2-D fluorescent lamp which is equivalent in light output to a 125 to 150 watt incandescent bulb. Each fixtures has a slightly different frosted glass diffuser. Available in a choice of two metal finishes: antique brass with a subtle swirl pattern in the glass or white with a square dot diffuser pattern.