Features of Gravity Ventilators

• Aluminum construction with mitered, fully welded curb cap.
• Model TEV for exhaust air has 1 to 1 ratio of hood perimeter opening to throat area.
• Model TIV for intake air has 2 to 1 ratio, with design velocity at perimeter of 600 fpm.
• Built to order in custom sizes with quick turnaround available.
• Includes galvanized bird screen as standard.
• Options include hood insulation, hinged top, aluminum or insect screens and air-dry protective or decorative coatings.