Gravity Relief/Intake Ventilators Provide Air Ventilation And Circulation For Applications Including Residential, Commercial, Industrial And More.
Gravity relief/intake ventilators are made of aluminum for long lasting durability and corrosion resistance. Ventilators supply and exhaust air to or from enclosed areas without power operated fans for air regulation and circulation. Interior and exterior static pressure controls air flow direction: negative pressure forces air flow into enclosed area (intake) and positive pressure causes external air flow (relief). Air flow measure varies on internal and external temperature changes. Includes galvanized bird screen and one piece curb with spun inlet for maximum efficiency. Ships fully assembled for installation ease. Style is Vent. Package quantity is 1. Dimensions vary per model.