Furniture Feed Poke-Through Assembly, Diameter 8 Inches, Depth 19-1/4 Inch, Junction Box 27 Cubic Inches, 2 1/2 Inch Knockouts and 1 3/4 Inch Knockout on 3 Sides, 1/2 Inch Knockout and 3/4 Inch Knockouts on Back, 3/4 Inch Knockout on Bottom, Cover Brushed Brass