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S90HOBD or S90VOBD and ALS90HOBD or ALS90VOBD — Stationary-Bar Return Grille with Opposed Blade Damper, Steel or Aluminum

How to Specify

Provide the following information:

  • Model Number
  • Width
  • Height
  • Finish

S90HOBD or S90VOBD and ALS90HOBD or ALS90VOBD — Stationary-Bar Return Grille with Opposed Blade Damper, Steel or Aluminum

  • Blades are spaced on 3/4” centers and set at a 35° angle to restrict vision.
  • Opposed-blade damper (OBD) is easily operated with a screwdriver through face. 
  • Extremely shallow depth allows damper to be used in shallow stackheads. Fixed bar blades.
  • Steel or Aluminum.
  • Countersunk mounting holes. Mullion spacing not to exceed 8”. 
  • Bright White finish standard.

H means horizontal blades; V means vertical blades