RECESSED LIGHTING HOUSINGS AND TRIMS 5 Inch Diameter LED 6 Inch Diameter LED 4 inch Diameter Low-Voltage MR16 4 inch Diameter Line Voltage 5 inch Diameter 6 inch Diameter 6 inch Diameter Shallow 6 inch Diameter Economy 6 inch Diameter for Sloped Ceilings 8 / 10 Inch Squares Special Applications