18 Plenum Box for [18 Linear Slot Diffuser

linear slot diffuser with plenum box   Dan linear slot grilles

HVAC linear slot diffuser with Insulated plenum box can be used as air supply or return air diffuser in HVAC ventilation system

Plenum box type VK Supply Diffuser with Plenum - Linear Slot

eldon slot car set HVAC linear slot diffuser with Insulated plenum box can be used as air supply or return air diffuser in HVAC ventilation system  Frame and blades: High quality extruded aluminium profiles Damper: Hit and miss damper Slot Width: 20 mm as standard 16 mm and 25 mm available as option