BGH Gravity Ventilators offer a modern low silhouette design that blend with roof lines and other equipment. Designed for maximum airflow passage and weathertight integrity, BGH comes in either intake or relief models with aluminum or galvanized finishes. An extensive range of sizes is offered with many standard and optional features. Exhaust models have a 1:1 ratio of hood perimeter opening to throat area and supply models incorporate a 2:1 ratio.
To meet other size or ventilation capacity requirements, custom sized units are available upon request. Consult your representative or factory for specific details and performance capabilities.
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