side front 17.75” 5.75” 4” top classics 9131 11.75”h x 5.75”w x 4”d 04: LED - 5W (Dim with 0-10V dim system) LED Retrofit / Wet Loc available classics 9131L18 17.75”h x 5.75”w x 4”d 04: LED - 7.4W (Dim with 0-10V dim system) LED Retrofit / Wet Loc available side front 11.75” 5.75” 4” top 143