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.
EN12101-3 certified for operation:
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: