Featuring 6 in. deep J blade, Model AFJ-601D is designed to restrict transmission of high and low frequency sounds generated by mechanical equipment and to act as exterior weather louver. Unit is Florida Building Code approved and Miami-Dade qualified for use in Wind-Borne Debris Zone as well as AMCA Licensed for Water Penetration, Sound and Air Performance. Louver can be specified with variety of options in broad array of architectural finishes.