The Large Flush Mount back box is designed to fit the
Minipak, Minipak 2000, Minipak 4000 and the Large
Backlit Directory. This mounting device allows the
standard unit to be flush mounted into a wall. The
cutout dimensions for the Large Flush Mount back box
are 9-7/8" W x 12-7/8"H x 2-3/4"D.