Louvered vents in various sizes are available in various materials for applications where natural convection creates sufficient cooling for the enclosure contents. Drain vent kits and ventilators are also available.
Drain/breather vents start at
Integra outdoor labyrinth vent is
Enclosure Louver Plate
Louver plates provide ventilation or cooling in metal enclosures where moisture or internal heat is a problem.
Louver plate kits start at