Deflecto Rvhablk4 4-In. Wide-Mouth Dryer Vent Hood Kit With Damper, Detachable B

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Removable bird guard keeps birds and other pests from entering homes or nesting in outdoor vent;
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Damper helps seal outdoor exhaust vent when not in operation to help prevent back drafts;
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Vent cover and bird guard vent hood are durable, weather-resistant, and include a UV inhibitor to prevent sun damage and cracking;
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Preassembled with collar and rigid, 11-in.-long, 4-in.-diameter vent pipe;
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Check bird guard periodically for lint or other debris and remove if present;
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Made in the USA;