Keep your home or business cool and comfortable with this Dayton 18- to 30-Inch Galvanized Steel Fixed Height, Adjustable Width Stationary Intake Louver. Constructed of galvanized steel, it is durable and resists corrosion. With the included bird screen and screen fasteners, it can be installed quickly and easily. In addition, it is has a louver type that is fixed height with adjustable width. This louver is a great choice for your ventilation needs.. This item has been restricted from sale in the following state (s): []