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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.