Made of heavy gauge, mill finish aluminum, they present a neat appearance where ventilation must be provided in side walls, under sinks, for water heater and luggage compartments. Outside dimensions are given height x width, louvers horizontal. Finish - White Dimensions - 4 x 16 in. - SKU: KSAO70781

Made of heavy gauge, mill finish aluminum, they present a neat appearance where ventilation must be provided in side walls, under sinks, for water heater and luggage compartments. Outside dimensions are given height x width, louvers horizontal. Finish - White Dimensions - 4 x 16 in. - SKU: KSAO70781