Dog Box 12-4 louver 12″W x 15.5″H

12-4 louver is an aluminum louver vent with 4 vanes that adjust to allow air flow.  The sizes are an overall size of 12″ wide x 15.5″ high, and the cut-out required is 10.5″ wide x 13.25″ high. The back side depth requires a min. of 5/8″ clearance to allow pivot arms to clear.