Williamson Thru-Wall Night Depository Unit - New Old Stock
O.D.Body: 25-3/8"H x 13-1/8"W incuding nuts and bolts
O.D.: 27-1/8"H x 14-3/4" wide inner flange
O.D. 29-" x 16-3/4" wide outer flange
Maximum finished wall thickness: 13-3/4"
The elongated holes on the sides of the unit are NOT for any adjustment purposes. If the unit is installed on a wall thinner than 13-3/4", the inner flange is moved in on the body to provide a flush to the wall inner flange.
The unit has to be drilled and bolted to the walls.
The inner flange has to be drilled and screwed or welded to the body of the unit.
This unit is used, however it has been in storage quite a while and there are minor dings, scratches, and a small amount of rust.