Broan 431 3-1/4" x 10" Long Eave Elbow, NA 3-1/4" x 10" short eave elbow transition is made for fan and hood installations; Height 0.000; Width 0.000; Depth 0.000; Weight 0.00; Color; Operating System; Batteries Included; Batteries Required; Number of Batteries; Battery Type; Language English; Assembly Required Actual height from bottom to top of curve is 9-1/4", width from back to front of elbow is 11" Elbow includes a backdraft damper and 5-1/8" x 11-1/2" grille in a black, electrically-bonded epoxy finish for a complete installation Transition is made of 30 gauge galvanized steel construction for durability and long life Sold as 1 to a carton