30 In.H 33 In.W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Hat Channel, Outside Height 35 1/2 in, Outside Width 35 1/2 in, Rough Opening Height 36 in, Rough Opening Width 36 in, Louver Maximum Intake 2,406 cfm, Maximum Exhaust...
30 In.H 33 In.W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Hat Channel, Outside Height 35 1/2 in, Outside Width 35 1/2 in, Rough Opening Height 36 in, Rough Opening Width 36 in, Louver Maximum Intake 2,406 cfm, Maximum Exhaust...