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Eliminates back pressure on the fan while providing weather protection for exhaust stacks routed through the roof. Flange included for guide wire attachment; airflow directional. Available in galvanized and stainless steel, sizes 3"-40".
Eliminates back pressure on the fan while providing weather protection for exhaust stacks routed through the roof. Flange included for guide wire attachment; airflow directional. Available in galvanized and stainless steel, sizes 3"-40".