The plenum box is intended for supply and exhaust air.
It is intended to accommodate grilles B 3020.
It is designed for wall installation but can be used at other locations as well. It is telescopic for flexibility at installation.
All types have Ø 63 mm studs with Lindab Safe sealings for connections of either SR 63 spiral-seamed duct or semiflexible duct LFPE. Each Ø 63 connection is equipped with a clip to hold the semi flexible duct LFPE – Smart lock function.
The shown pressure drop is for the box including a grille B 3020.