Exhaust Fan Venturi Frame For Blade Diameter 10 in Includes Zinc Plated Guard Overall Depth 8 3/4 in Overall Height 14 in Overall Width 14 in Venturi Depth 2 in Flange Width 1 in For Cut-Out Height 12 1/2 in For Cut-Out Width 12 1/2 in Frame Finish Galvanized Material Steel Opening Diameter 12 1/2 in