Letterbox flaps module made of extruded aluminium sheath, plastic-coated or painted.
The pass-through opening behind the flap can be adjusted in three stages: From the biggest possible opening of 30.5 mm to 20 mm, and if necessary the opening can be completely closed (e.g. during holiday periods). Self-closing flap, torsion-resistant, low-noise operation due to sealing lip. Pass-through and anti-pilfer device to DIN EN 13724. Can be screwed onto BKV 611-4/… or wall recess. Inscription field under the letterflap.
Only in conjunction with the BKV 611-4/… or with user’s own letter compartment.