FAMCO DWVG dryer wall vent
This is a listed vent assembly. Match the model and orientation.
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FAMCO's DWVG dryer wall vent is made from 28-gauge galvanized steel and includes a hinged backdraft damper without a screen.
Those are manufacturer-documented product features. FAMCO describes the DWVG for dryer exhaust and other exhaust applications requiring an unscreened outlet. The damper supplies a functional closure, but its presence does not establish a wildfire test result or an exact-product fire listing. The material and the closure answer different questions from tested fire performance.
When choosing the DWVG vent, keep the dryer installation in view. Confirm the dryer manufacturer's instructions, duct size, required clearance, airflow, access for cleaning, and the applicable mechanical-code requirements. The useful comparison is whether the specified vent and its unscreened damper configuration fit that exhaust system; a galvanized-steel construction claim alone cannot decide the installed opening's compliance.