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).

Please allow 4-6 working days for delivery as these are custom manufactured grille boxes which are not kept in stock.

The option to include a 6mm acoustic lining is also available on the pages that follow.

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