3-1/2″ x 3-1/2″ square in dash a/c louver. The louver is black with chrome trim. The vent is designed to mount flush into a panel or dashboard. The vent can be turned in multiple directions or closed off.
Outer diameter overall: 3-1/2″ x 3-1/2″
Mounting diameter: 2-3/4″ x 2-3/4″ with four screw holes on each corner
Mounting depth 2-3/4″
The vent uses 2″ duct hose.