Nitrogen Pendant features an Opal glass shade with a Brushed Steel finish. Includes 6 inch, 16 inch and 22 inch rods, 10 feet of cord and slope adapter. Incandescent: One 100 watt, 120 volt A19 Medium base incandescent bulb is required, but not included. Compact Fluorescent: One 18 watt, 120 volt CF GU24 base compact fluorescent bulb is required, but not included. Small: 9 inch width x 8 inch height. Medium: 12 inch width x 10.5 inch height. Large: 14 inch width x 12 inch height. UL listed.