Cape Backdraft Dampers Now in Stock!
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The Tamarack Cape Backdraft Damper is a non-mechanical in-line one way air flow valve that requires minimal pressure to operate, has no moving parts and tested to UL 723 standards. Get the full force of your fan with this non-restrictive damper which fits snugly inside the duct. 4 sizes available.
" During the windy winter months, the damper keeps performing with NO CLANGING!" - Sara P. Wasilla, AK.
The Cape Backdraft Damper is the ultimate one way air flow valve, designed to overcome the inefficiencies and limitations of traditional gravity or butterfly dampers. The Cape Backdraft Damper consists of a specially formulated fabric sleeve attached to an outer metal sleeve. The fabric sleeve will allow air to pass through in the desired direction of flow with miniscule reduction in airflow.
The Cape Backdraft Damper works well or better than other dampers at stopping undesired airflow. It is far superior in that it allows unrestricted airflow in the desired direction of flow without reducing system efficiency. The Cape Backdraft Damper is silent, produces no metal clanging sounds, tested to UL723 standards and can be installed in horizontal or vertical ductwork.