Plenum boxes made of galvanized steel, standard or insulated. Inlet boxes are standard with control damper, perforated sheet metal and anemostat plate mounting bracket. Drain boxes are standard with an anemostat plate mounting bracket only. Regulating flap on request.
Variants
PDC - plenum drainage box
PDCI - plenum drainage box insulated
PDC RE-S - plenum inlet box with control flap and perforated plate
PDCI RE-S - plenum inlet box insulated with control flap and perforated plate