Progress Lighting P7227-09EB White Acrylic Diffuser with Contemporary Metal End Caps 120 Volt Normal Power Factor Electronic Ballast, Brushed Nickel Brushed Nickel Finish White acrylic Size: 5-1/4-Inch Width, 4-1/4-Inch Height Extends 25-1/4-Inch Uses (2) 17-Watt F17T8 bulbs, Energy Star qualified Progress Lighting has over 5,000 lighting fixtures offered in our catalog, the largest single source for residential and commercial lighting