Full Galvannealed steel construction
For L-Series Linear and S-Series Slot air diffuser
Available in insulated or noninsulated designs
Available lengths (inches): 12, 24, 36, 48, 60, 72
The plenum box can stick external or internal insulation
The plenum box neck diameter according customer's need
Suitable for veriable flow , when the flow is reduced , the air stream remains on the ceiling