Dog Door Louver 9-4 Louver 9″W x 15.5″H Overall DImension

Dog door louver  Aluminum , 9″ w x 15.25 h overall dimension Cut-out required 7.25 w x 13.25 h
Back side requires a min. of 3/4″ clearance to allow pivot arms to clear.
Mounts best to flat surface using rivets, self tapping screws. Metal or wood door plates