PBA

is a plenum box for supply and extract air suitable for different kind of the grilles.
The plenum box can be connected from the side or the back. The grilles are fixed into the plenum PBA by a special clips, used also for fixing the damper to the grilles. The plenums PBA are manufactured in galvanized steel and as option can have an outside or inside insulation. For more information, please contact This email address is being protected from spambots. You need JavaScript enabled to view it.

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  Can be used for both supply and extract air
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  Easy-to-detach the grilles for access to the plenum
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  Same box used for several type of grilles
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  Special lip bend allow an easy clips mounting of all grilles model