• L-RF-TB = return grille with fixed fin filter holder T-BAR without damper.
  • L-RF-OB-TB = T-BAR fixed fin filter holder return grille with opposite fin damper.
  • TB = Modular for ceiling installations exterior frame size 24”x24”.
  • Final finish in highly resistant electrostatic white paint.
  • Made of extruded aluminum.
  • 1” filter holder
  • Optional L-F Filter.
  • For different sizes and finishes, consult the factory.


For different sizes and finishes, consult the factory. The fiberglass plenum (FB) is optional only when the measurement is 24”x24”. When the finish is “S” (another color), the paint manufacturer’s reference number or a color sample is required. With the fiberglass Plenum, the opposite fin damper cannot be installed.

L-OB Optional damper to install in the plenum: (must be ordered as independent products).

L-CD = Round damper with a fin with collar.

L-C = Metal collar.

L-D2 = Round butterfly damper with two fins with neck.

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