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PS Metal Plenum Box to suit M and 2 series Aircell Diffusers

    • Product Details


      The proprietary plenum boxes for M and 2 series Aircell Diffusers are designed as a versatile metal alternative to the all-polymer Aircell plenum box. Available with Side or Top Entry connections to customer-specific diameter/shape, these can be fitted with Spigot flap dampers FD, cord- or quadrant-operated, as well as 6mm acoustic lining (optional) reaction to fire class C-s3-d0 to EN 13501-1: 2007 to avoid noise generation.

      An internal baffle plate can be fitted to the plenum box to help evenly distribute the airflow over the whole surface of the grille if used for Supply air, or prevent through vision for Return air.

      Product Description

      • PSPlenum box for Aircell Diffusers (M300, M450, M500, M600, 2300, 2600)
      • SESide Entry spigot
      • TETop Entry spigot
      • CCCircular connection
      • RCRectangular connection
      • FOFlat Oval connection
      • FDCCord-operated Flap damper (optional)
      • FDQQuadrant-operated Flap damper (optional)
      • LINED6mm acoustic lining (optional) reaction to fire class C-s3-d0 to EN 13501-1: 2007
      • BLACKPlenum painted black to prevent through vision (optional)
      • BFLInternal perforated baffle plate (optional)


      • Galavnised steel, stitch fixed
      • 1 or 2 connections – Circular, Rectangular or Flat Oval (reduced plenum height)
      • Side or Top entry spigots with optional airflow control damper
      • Oblong holes on top plate for easy drop rod installation
      • Internal baffle plate for optimum air distribution / non-vision (optional)


      • PSGalvanised sheet steel


      • LengthDiffuser nominal size (300, 450, 500, 600)
      • WidthDiffuser nominal size (300, 450, 500, 600)
      • HeightSE – Spigot diameter or height + 100mm as standard
        TE – as specified by customer (200mm minimum recommended)


      When ordering plenum chambers please specify length/width & height, spigot size and position (top or side entry) and control options. Please note that the plenum height should in general be 100mm greater that the spigot diameter (side entry applications).

      Product Specification

      Related links

      Plenum boxes installation and maintenance

      M Aircell Louvre Face Diffusers

      2000 Aircell Architectural 4 Way Diffusers

      Plenum Insulation Thermal & Acoustic specification

      Plenum lining foam Polyester

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