Spacing of mounting plate for ceiling/wall installation with OSA-OGA connection for combination wall connections
Option 2 for L version
For thermally insulated MT-R125 ventilation duct, only use the KWH 16 L/KWH 16 R combination wall connection.
Option 2 for L version
For thermally insulated MT-R125 ventilation duct, only use the KWH 16 L/KWH 16 R combination wall connection.