Multi-tier louvered exhaust ventilators. Vertical snow and storm baffle on base to guard against driven rain and snow. Extruded aluminum louvers miter cut and welded at each corner. 

 

Features Hood and base constructed of heavy gauge aluminum Rigid structural aluminum braced for extra strength Birdscreen constructed of heavy gauge galvanized steel wire mesh Miter cut and welded curb base for extra strength and water tightness

 

Options/Accessories Hinged Hood Insulated Hood Insect Screens Aluminum Birdscreen Coatings Galvanized Steel Construction (EV/IV only) 100 MPH Construction Filters Exhaust Relief Type AR Damper Automatic counter balanced Manual operated Motorized