Specially designed to terminate Tjernlund Side Wall Vent Systems. They are also an approved method of terminating many horizontally vented appliances. Vent hoods feature heavy duty, corrosion resistant aluminum construction. Models VH1-3, 4 and 6 also have an additional heat shield for built in clearances from combustibles. Building exteriors are kept clean while the aesthetics of the structure remain undisturbed. All mounting hardware is included.