Progress Lighting P5612-31 Polycarbonate Clear Lexan Diffuser, Black Black Finish Clear lexan Size: 4-3/4-Inch Width, 7-1/4-Inch Height Extends 5-3/4-Inch Uses (1) 60-Watt medium base bulb Progress Lighting has over 5,000 lighting fixtures offered in our catalog, the largest single source for residential and commercial lighting