<ul> <li> Panels on interior and between case and grille provide weather protection prior to installation of chassis</li> <li> Polymer gasket surrounds opening to assure tight weather seal</li> <li> Solid-sided wall case fabricated of galvanized steel with baked enamel (beige) finish</li> <li> Welded areas coated with a sealing compound to help resist rust and corrosion</li> </ul>