3 Spigot Plenum Box
    Ventilation Ducting  | Grille & Plenum Boxes | Rectangular & Bespoke Grille Boxes  | Multi-Spigot Plenum Boxes |  3 Spigot Plenum Box	
      Manufactured to order from 0.7mm galvanised mild steel. Multi-spigot plenum boxes boxes are available with or without a flange at the open end (see drop down for options).  
 
  The option to include a 6mm acoustic lining is also available on the pages that follow.
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 Click on a size from the drop down menu below that represents dimension A in the drawing (if required, dimensions can be fine-tuned on the following pages).
 
  Dimension A
  
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