Pass-through letterbox according to DIN EN 13724 modular system, for masonry walls (dry masonry), made of hot-dip galvanized sheet steel, 0.8 mm, in inclined 45° model, extendable from 290 - 440 mm, can be combined horizontally and vertically.
Rear removal door, opening downwards, with cylinder lock, nameplate and inspection window. With connecting screws.
Only to be used with BE 611-4/1-…
When arranging several BKV 611-4/2-0 units vertically, the relevant ISM 611-… must be used in order to cover the gap created at the front. The gap created below the bottom BKV 611-4/2-0 can alternatively be plastered. Rear removal door, opening downwards, with cylinder lock, nameplate and inspection window. With connecting screws.
