Lambro Ec-34400Gndms-Pg 4-In. 26-Gauge Paint-Grade Steel Fresh Air Intake Vent W

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Mounts over existing 4-in. openings;
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For new or replacement vent installations;
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Recommended for allowing clean, fresh air into the home, especially for gas appliances;
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Made of 26-gauge paint grade steel for durability and to maintain longevity;
matte gray finish is ready to paint;
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Opening contains screen with a net-free area of 11 sq. in.;
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11-in. pipe for through-the-wall installation;
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1/4-in. wire mesh screen prevents critters and outside elements from entering the home through the vent;
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Requires installation screws (not included);