TBD2 Series - Supply

Product Information

View Performance Data TBD2 Supply

1" (25) Slot Width
Non-Insulated TBD2100


1-1/2" (38) Slot Width
Non-Insulated TBD2150
Insulated TBDI2150

PRICE TBD2 Series T-bar diffusers have been engineered to produce a consistent horizontal ceiling pattern required for today’s variable volume cooling applica­tions, while providing the best possible value and flexibility to the owner. The air pattern is field adjustable from horizontal, toward or away from the inlet, to vertical, without the use of tools.

For Fire-Rated applications see Series TBD2-FR.


  • Available in 1 and 2 slot configurations.
  • Available standard module lengths of 24 in. [610], 30 in. [762], 36 in. [914], 48 in. [1219] and 60 in. [1524].
  • Extruded aluminum center T on 2 slot units.
  • Curved extruded aluminum pattern controllers.
  • Factory installed pattern controllers designed for quick field removal to adjust pattern.
  • Module lengths of 36 in. [914], 48 in. [1219], and 60 in. [1524] have pattern controllers divided into two sections along the length, allowing for split air patterns.
  • Plenum height is a compact 8 in. [203].
  • Face is finished in standard black.
  • Inlets are drawn type for low leakage.
Available Options
  • Center notch (CN) available to split diffuser length (i.e. allows 48" (1219) unit to be installed into two 24" (610) ceiling modules).
  • Straddle mounting (ST) available.
  • Factory installed outer T-Bars (TB1 / TB2).
  • Factory installed outer T-Bar clips (TC1 / TC2).
  • Internal fiber free foam or coated fiberglass insulation.
  • External aluminum foil backed fiberglass insulation.

    Product Selection Checklist

  1. Select Inlet Diameter based on system design or duct requirements.
  2. Select Module Length based on ceiling module.
  3. Select Outlet type by model number (Slot width, insulation).
  4. Select Number of Slots.
  5. Select Integral Options if desired.
  6. Select Finish (Center T-Bar only).

Example: 8" / 48 / TBD 2100 / 2 / B12


  • Shell - Steel
  • Pattern Controller / Center T-Extruded Aluminum

Diffuser Face / Shell - Black


Pattern Controller - Black


Center T - White Powder Coat


For optional and special finishes see
color matrix.

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