All steel construction. 20 Ga. cold rolled steel.
Two way action allows for air intake or air exhaust.
Designed for O.E.M. or replacement on trucks, buses, sleeper cabs,. farm cabs, poultry bodies, vans and off road equipment. Supplied without holts for welded installation. Holes may be added to mounting flange for riveted or bolt on installation. Supplied with perforated metal bug screen.

Outside Flange - 11-5/8" long x 6-15/16" wide.
Lid (Door) - 5-3/16" wide x 10-7/16" long
Finish - Zinc plated
Weight - 2-3/4 lbs.

Assembly bolts can be used for installation. May be welded or riveted if desired. Material is 20 Ga cold rolled steel.

Mounting Flange - 6-15/16" wide x 11-5/8" long.
Lid - 5-3/16" wide x 10-7/16" long
Finish - Zinc plated
Weight - 2 lbs.