lindab | pl enum boxes The type H plenum box is a side-connected plenum box for supply and exhaust air for the Versio range of diffusers. The plenum box can be equipped with an adjustment damper and a measuring device, depending on the configuration required. The adjustment damper is operated from the front of the box by means of a graduated handle with integrated locking mechanism. K-factors for determining the volume flow are printed on the damper handle. The plenum box has a low overall height and has internal sound insulation of fibre-free material. For configuration with an integrated ceiling solution, the box is equipped with a frame and/or a face plate, depending on the type of ceiling. For further details, see the Versio range of ceiling diffusers. • Can be used for both supply and exhaust air. • Can be connected regardless of straight ducting before the box • Detachable damper and plenum plate for access to duct • The same box is used for all face plates and ceiling systems Maintenance The damper can be removed in connection with cleaning of the internal parts or the duct. Ordering information Go to chapter: " ceiling diffusers - Versio " The box, plenum plate and damper are made of hot-galvanised steel plate. Acoustic insulation is made of non-flammable material. We reserve the right to make changes without prior