Ventilation Grille allow air to circulate under the floor to prevent moisture build up. Majority of homes with crawl space have Ventilation Grille. Ventilation Grilles are available in various sizes.
Tecsteel Ventilation Grille with Bug screen. Grille fabricated from Heavy Duty Mesh with U frame all around. Pre-drilled holes for bug screen and grille installation. Fabricated from galvanized steel or aluminium. Available in various sizes.