Ventilation Fan, Rugged 26 Gauge Galvanized Steel, Ceiling Mount, 120 V Ac @ 60 HZ, 43.1 W, 0.37 A, 80 CFM Air Flow, 60 HZ, Round Duct Shape, 4 In Duct Size, White, Polymeric Grill Material, Rectangular Grill Shape, 11-3/8 In (L) X 12 In (W) Grill Size, Rugged 26 Gauge Galvanized Steel Housing Material, Rectangular Housing Shape, Permanently Lubricated Plug-In Motor, 9-1/4 In Overall Length, 10 In Overall Width, 5-3/4 In Overall Height, 4 In Duct Diameter, Exhaust, 8.75 LB