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1520-12 — Step-Down Ceiling Diffusers

How to Specify

Provide the following information:

  • Model number
  • Diameter
  • Finish

1520-12 — Step-Down Ceiling Diffusers


Submittal Data (57 KB, PDF)
  • Provides 360-degree air volume delivery in a four-way air diffusion pattern.
  • Two-cone design, fixed core, optional damper control access (damper ordered separately), and 2" high collar for easy flex connections. 
  • Collar sizes available: 6", 7”, 8". Use with AL10PF plaster frame for surface-mount applications. 
  • Uses R-42 radial damper, sold separately.
  • Use with AL10PF plaster frame for surface-mount applications
  • All-steel construction. Formed steel back panel. 
  • Bright White finish standard.