Solid 0% Ventilation

Available on angle iron and formed sheet metal products.
Louvered 7% Ventilation

Available on angle iron and formed sheet metal products.
Secur-n-Vent 21% Ventilation

Available on angle iron and formed sheet metal products.
Diamond Perforation 37% Ventilaton

Available on angle iron and formed sheet metal products.
Expanded Mesh 73% Ventilation

Available on angle iron product only.