These Beautiful Pressed Cowl Vents will Transform any BoatPressed from 316 Stainless Steel SheetThese vents are Dimensions: 8-1/2" wide x 11" Tall x 5" DeepThe Deck Flange OD is 5-1/2"The weight in is 6 lbs 6 ozThe inside diameter of the airflow tube is 3-3/4"The Exterior is highly polished The Interior is White Powder CoatIncluded is 1 Cowl Vent Complete with Deck Plate and CapFixings screws are not included"O" Ring Seal is Included