Model 142F - Mill Finish
All aluminum construction, two-sided shutter for maximum ventilation, self-framed on all sides. 142F has a flange. 46 square inches of Net Free Area.
All aluminum construction, two-sided shutter for maximum ventilation, self-framed on all sides. 142F has a flange. 46 square inches of Net Free Area.
Model 142 - Mill Finish
All aluminum construction, two-sided shutter for maximum ventilation, self-framed on all sides. 46 square inches of Net Free Area.
All aluminum construction, two-sided shutter for maximum ventilation, self-framed on all sides. 46 square inches of Net Free Area.
Model 142F - Brown
All aluminum construction, two-sided shutter for maximum ventilation, self-framed on all sides. 46 square inches of Net Free Area.
All aluminum construction, two-sided shutter for maximum ventilation, self-framed on all sides. 46 square inches of Net Free Area.
Model 142F - White
All aluminum construction, two-sided shutter for maximum ventilation, self-framed on all sides. 46 square inches of Net Free Area.
All aluminum construction, two-sided shutter for maximum ventilation, self-framed on all sides. 46 square inches of Net Free Area.