4250 — Perforated Supply Diffuser

  • Model 4250 perforated diffusers are designed for lay-in T-Bar ceilings applications.
  • Fixed face attached to a duct connection collar. 
  • Utilizes the R22 Butterfly Damper
  • Use with AL10PF plaster frame for surface-mount applications
  • Available in various sizes.
  • Steel. 
  • Bright White standard finish.