A slanted throw-in system built from interconnected panels. Installed on aluminum, steel or plastic door profiles. The throw-in slots are an integral part of the outer side of the door. The receiving letter box is inside of the building or room.
Construction and equipment (example in the picture):
The picture depicts an example configuration.
Dimensions of a single box (W x H x D): 260 mm x 330 mm x 290 mm
Dimensions of a slot (W x H): 330 mm x 30 mm