Louver-Filter Kits: Kit Type - Louvered Vent Kit; Height - in - 5.30; Width - in - 6.30; Material - Steel, 14 Gauge; Finish - Gray Powder Coat; Additional Information - ANSI 61, Louver Length: 4.00 in., Number of Louvers: 3; Manufacturer Series - 1481L3R
Additional Info: ANSI 61, Louver Length: 4.00 in., Number of Louvers: 3