Model 189 - Black
All aluminum construction, 3 hinges louvers. 74 square inches of Net Free Area.
All aluminum construction, 3 hinges louvers. 74 square inches of Net Free Area.
Model 189 - Brown
All aluminum construction, 3 hinges louvers. 74 square inches of Net Free Area.
All aluminum construction, 3 hinges louvers. 74 square inches of Net Free Area.
Model 189 - Mill Finish
All aluminum construction, 3 hinges louvers. 74 square inches of Net Free Area.
All aluminum construction, 3 hinges louvers. 74 square inches of Net Free Area.