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PAF – Soundproofed Plenum Box


The PAF is a horizontal soundproofed plenum box. It can be used with or without suction and/or discharge connection. The range is available for fans from 400 to 1250mm diameter with drives up to 225 frame size.

General dimensions


EN12101-3 certified for operation:

    • 400°C/2h
    • 300°C/2h
    • 200°C/2h


These boxes are made of pre-galvanised steel sheet. The interior is insulated with rock wool covered with a very durable black fibreglass cloth.

Available as an option:

    • Paint finish
    • Stainless steel