- Legal
- Terms & Conditions (Domestic)
- Terms & Conditions (Export)
  Model QL - Quad-Line Diffuser  
  • Unique, linear “slotted” air diffuser accepts ceiling tile to match grid system
  • Recommended for constant or variable air volume heating, cooling, or ventilating
  • Nominal 24 x 24 module size
  • Lay-in T-bar or 9/16” narrow slot suspended grid systems
Product Features
  • 3/4” or 1” slot widths
  • 1, 2, 3, or 4 perimeter slots
  • “Ice Tong” design pattern/volume controllers
  • Extruded aluminum frame and inner T’s for maximum corrosion protection
  • Includes removable, steel square to round duct adapter (SRA) for easy flex duct connection
  • White finish on extruded aluminum frame, black SRA interior
  • Matching return for ducted or ceiling plenum return applications
  • 1/2” internal insulation
  • Model LS light shield for ceiling return applications
  • Custom color matching
  • Model VD butterfly volume control damper
  • Model TBF auxiliary mounting frame for hard / plaster ceilings
Features at a Glance