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Extruded Aluminum Frame

Backdraft dampers for exhaust or intake in vertical or horizontal applications.

Backdraft dampers (also known as gravity dampers) used in ventilation systems allow airflow in one direction and prevent airflow in the opposite direction. The EM series dampers feature aluminum frame and blade.

EM-10 Series

Backdraft damper, exhaust, horizontal mount, vertical airflow up, 3500 fpm.

VIEW EM-10 Series
https://catalog-api.greenheck.com/api/product/en-us/179

EM-30 Series

Backdraft damper, exhaust, vertical mount, horizontal airflow, 3500 fpm.

VIEW EM-30 Series
https://catalog-api.greenheck.com/api/product/en-us/192

EM-40 Series

Backdraft damper, horizontal mount, vertical airflow down, 3500 fpm.

VIEW EM-40 Series
https://catalog-api.greenheck.com/api/product/en-us/190

EMV-11

Backdraft damper, exhaust, used on Vektor units.

VIEW EMV-11
https://catalog-api.greenheck.com/api/product/en-us/187