 
  Blank-Off for Flowbar Diffusers
 
  Flow Cross for Flowbar Diffusers
 
  Mitered Corner for Flowbar Diffusers
 
  Uninsulated plenum for FlowBar diffusers
 
  Insulated plenum for FlowBar diffusers
 
  Uninsulated Return Hood/Light Shield for Flowbar Diffusers
 
  Insulated Return Hood/Light Shield for Flowbar Diffusers
 
  FlowBar Straight End Border
 
  Architectural Linear Diffuser, Aluminum, 1" Slot
 
  Architectural Linear Diffuser, Aluminum, 1.5" Slot
 
  Architectural Linear Diffuser, Aluminum, 2" Slot
 
  Architectural Linear Diffuser, Aluminum, 2.5" Slot
 
  Architectural Linear Diffuser, Aluminum, 3" Slot
 
  Architectural Linear Diffuser, Aluminum, 1" Slot
 
  Architectural Slot Diffuser for TechZone Systems
 
  FlowTee diffuser, 1" slot, Flowbar with uninsulated factory mounted plenum
 
  FlowTee diffuser, Flowbar with plenum, 1.5" slot, uninsulated plenum
 
  FlowTee, 2" slot Flowbar with factory mounted uninsulated plenum 
 
  FlowTee for bolt slot ceiling systems, 1" slot Flowbar with factory mounted uninsulated plenum
 
  FlowTee for bolt slot ceilings, 1.5" slot Flowbar with factory mounted uninsulated plenum
 
  FlowTee for bolt slot ceilings, 2" slot Flowbar with factory mounted uninsulated plenum
 
  FlowTee for bolt slot ceilings, 1" slot Flowbar with factory mounted insulated plenum
 
  FlowTee for bolt slot ceilings, 1.5" slot Flowbar with factory mounted insulated plenum
 
  FlowTee for bolt slot ceiling systems, 2" slot Flowbar with factory mounted insulated plenum
 
  FlowTee, 1" slot Flowbar with factory mounted insulated plenum
 
  FlowTee, 1.5" slot Flowbar with factory mounted insulated plenum
 
  FlowTee, 2" slot Flowbar with factory mounted insulated plenum
 
  GeoFlow supply diffuser, 1" slot, uninsulated, integral center panel, snap-on plenum
 
  GeoFlow supply diffuser, 1" slot, insulated, integral center panel, snap-on plenum
 
  GeoFlow 1" perforated return
 
  Optional Field Cut Spacer Kit for Flowbar Diffusers
 
  Optional Field Cut Spacer Kit for Flowbar Diffusers
 
  ModuFlow Supply 24 x 24 Diffusers, Uninsulated
 
  ModuFlow Supply Diffuser, Uninsulated, for Bolt Slot Ceiling Systems
 
  ModuFlow Supply Diffuser, Insulated, for Bolt Slot Ceiling Systems
 
  ModuFlow 24 x 24 Supply Diffuser, Insulated
 
  ModuFlow Return Diffuser
 
  ModuFlow Return Diffuser for Bolt Slot Ceiling Systems
 
  Steel Louvered Plaque Face Diffuser
 
  Steel Square Plaque Diffuser with Louvers for Narrow Tee Ceilings
 
  Modu-Bloc Diffusers, Uninsulated
 
  Modu-Bloc Diffusers used in Narrow Tee Ceilings, Uninsulated
 
  Modu-Bloc Diffusers, Uninsulated Return
 
  Modu-Bloc Return for Narrow Tee Ceiling Systems
 
  Steel Plaque Face Diffuser used in Architectural Ceilings
 
  All-Aluminum Plaque Face Diffuser
 
  OMNI Diffuser Designed to fit CertainTeed Gladius Ceilings
 
  Steel Square Plaque, Round Panel Diffuser
 
  Round Steel Adjustable Plaque Diffuser
 
  Architectural Ceiling Diffuser 
with Center Appliqué
 
  Steel Square, 'Swirl' Face Diffuser
 
  Steel low airflow plaque face diffuser for use in architectural ceilings
 
  Aluminum modulinear slot supply diffuser, 1/2" slot
 
  Aluminum modulinear slot supply diffuser, 1/2" slot for narrow tee
 
  Aluminum modulinear slot supply diffuser, 3/4" slot
 
  Aluminum modulinear slot supply diffuser, 3/4" slot for narrow tee
 
  Aluminum modulinear slot supply diffuser, 1" slot
 
  Aluminum modulinear slot supply diffuser, 1" slot for narrow tee
 
  ML for the Armstrong Techzone Ceiling
 
  Aluminum modulinear slot return diffuser, 1/2" slot
 
  Aluminum modulinear slot return diffuser, 1/2" slot for narrow tee
 
  Aluminum modulinear slot return diffuser, 3/4" slot
 
  Aluminum modulinear slot return diffuser, 3/4" slot for narrow tee.
 
  Aluminum modulinear slot return diffuser, 1" slot
 
  Aluminum modulinear slot return diffuser, 1" slot for narrow tee
 
  MLR-TZ is a matching return diffuser for the Armstrong TechZone Ceiling
 
  Aluminum modulinear slot supply lay-in diffuser, 1/2" slot
 
  Aluminum modulinear slot supply lay-in diffuser, 3/4" slot
 
  Aluminum modulinear slot supply lay-in diffuser, 1" slot
 
  Aluminum modulinear slot supply lay-in insulated diffuser, 1/2" slot.
 
  Aluminum modulinear slot supply lay-in insulated diffuser, 3/4" slot
 
  Aluminum modulinear slot supply lay-in insulated diffuser, 1" slot
 
  Aluminum modulinear slot return lay-in diffuser, 1/2" slot
 
  Aluminum modulinear slot return lay-in diffuser, 3/4" slot
 
  Aluminum modulinear slot return lay-in diffuser, 1" slot
 
  Aluminum modulinear slot return lay-in insulated diffuser, 1/2" slot
 
  Aluminum modulinear slot return lay-in insulated diffuser, 3/4" slot
 
  Aluminum modulinear slot return lay-in insulated diffuser, 1" slot
 
  Uninsulated plenum for modulinear slot diffuser
 
  Uninsulated plenum for modulinear slot diffuser
 
  Uninsulated plenum for modulinear slot diffuser
 
  Uninsulated plenum, special performance option, for modulinear slot diffuser
 
  Uninsulated plenum, special performance option, for modulinear slot diffuser
 
  Uninsulated plenum, special performance option, for modulinear slot diffuser
 
  MP for Armstrong Techzone Ceiling
 
  Insulated plenum for Modulinear slot diffuser
 
  Insulated plenum for Modulinear slot diffuser
 
  Insulated plenum for Modulinear slot diffuser
 
  MPR for Armstrong Techzone Ceiling
 
  Aluminum Linear Bar Grille, 1/8" Bars, 1/4" Spacing, 0 Degree Deflection
 
  Aluminum Linear Bar Grille, 1/8" Bars, 1/4" Spacing, 15 Degree Deflection
 
  Aluminum Linear Bar Grille, 1/4" Bars, 1/2" Spacing, 0 Degree Deflection
 
  Aluminum Linear Bar Grille, 1/4" Bars, 1/2" Spacing, 15 Degree Deflection
 
  Aluminum Linear Bar Grille, 1/8" Bars, 1/2" Spacing, 0 Degree Deflection
 
  Aluminum Linear Bar Grille, 1/8" Bars, 1/2" Spacing, 15 Degree Deflection
 
  Aluminum "Pencil Proof" Linear Bar Grille, 7/32" Bars, 7/16" Spacing, 0 Degree Deflection
 
  Aluminum "Pencil Proof" Linear Bar Grille, 7/32" Bars, 7/16" Spacing, 30 Degree Deflection
 
  CTRA-FF is a Return Diffuser with Filter Rack for Border 22 Applications
 
  Linear louver diffuser, one way pattern, fixed louvers
 
  Aluminum linear louver diffuser, two way pattern
 
  Steel, round diffuser with two discharge patterns
 
  Aluminum round ceiling diffuser
 
  Round diffuser with adjustable discharge patterns
 
  Aluminum, round diffuser with adjustable discharge patterns
 
  Steel vortex diffuser
 
  Steel round industrial diffuser
 
  Steel perforated return diffuser
 
  Perforated return diffuser, aluminum face with steel backpan
 
  Steel perforated return for narrow tee ceilings, 24" x 24" Module only
 
  Steel perforated diffuser with face mounted deflectors
 
  Aluminum face, steel backpan perforated supply diffuser with face mounted deflectors
 
  Steel perforated supply diffuser with face mounted deflectors for narrow tee
 
  Steel perforated neck-mounted curved blade deflectors
 
  Aluminum flush face perforated neck-mounted curved blade deflectors
 
  Steel perforated supply diffuser with neck-mounted curved blade pattern controllers for drop face ceilings.
 
  Steel perforated diffuser curved blade neck-mounted pattern deflectors for narrow tee
 
  Steel perforated return diffuser for drop face ceilings.
 
  Steel perforated diffuser with face mounted deflectors for drop face ceilings.
 
  Modular core diffuser with perforated face
 
  Steel perforated modular core diffuser for drop face ceilings.
 
  Perforated Ceiling Return
 
  Steel perforated supply diffuser with star pattern deflector
 
  Aluminum face, steel backpan perforated supply diffuser with star pattern deflector
 
  Steel, perforated diffuser with star pattern deflectors for drop face ceilings.
 
  Steel perforated supply diffuser with star pattern deflectors for narrow tee, 24x24 Module only
 
  Steel perforated return panel
 
  Aluminum perforated lay-in return panel
 
  Drop-face steel perforated return panel.
 
  Steel perforated return panel for narrow tee ceilings.  24x24 module only
 
  Steel modular core diffuser
 
  Aluminum modular core diffuser
 
  Steel, high performance three cone diffuser
 
  Aluminum high performance three cone diffuser
 
  Aluminum Narrow Tee high performance 3-cone diffuser
 
  Narrow Tee high performance 3-cone diffuser
 
  Steel Adjustable High Performance 3-cone Diffuser
 
  Aluminum high performance three cone adjustable diffuser
 
  Steel louvered face diffuser
 
  Aluminum louvered face diffuser
 
  Narrow Tee Aluminum
 
  Steel louvered face diffuser for narrow tee ceiling
 
  Steel louvered face diffuser, adjustable
 
  Aluminum louvered face diffuser, adjustable
 
  Steel louvered face diffuser with induction vanes
 
  Aluminum louvered face diffuser with induction vanes
 
  Aluminum louvered face diffuser with induction vanes, for narrow tee ceilings
 
  Steel louvered face diffuser with induction vanes, narrow tee border styles
 
  Steel louvered face diffuser with induction vanes
 
  Aluminum louvered face diffuser with induction vanes
 
  Aluminum louvered face diffuser with induction vanes, for narrow tee ceilings
 
  Steel louvered face diffuser with induction vanes, narrow tee border styles
 
  Steel curved blade ceiling and wall diffuser
 
  Aluminum curved blade ceiling and side wall diffuser
 
  Panel mounted nozzle diffusers, aluminum
 
  Surface or duct-mounted aluminum eyeball-type nozzle diffusers
 
  Concentric supply/return diffuser without plenum
 
  Concentric supply/return diffuser with plenum.
 
  High Capacity Ventilation Supply Module
 
  Ambient light-powered, energy harvesting diffuser for perimeter applications
 
  Ambient light-powered, energy harvesting diffuser for narrow tee ceiling applications 
 
  Plenum slot, 3/4" slot, fixed blade
 
  Plenum slot diffuser, 3/4" slot, fixed blade slot with down blow section
 
  Combination supply/return plenum slot diffuser, 3/4" slot, fixed blade slot with down blow section, 2" return slot
 
  Combination supply/return plenum slot, 3/4" slot, fixed blade slot with down blow section, 2" return slot
 
  Plenum slot diffuser, aluminum modular design, fixed deflection
 
  High capacity plenum slot diffuser, uninsulated, adjustable blade
 
  High capacity plenum slot diffuser, uninsulated, adjustable blade for narrow tee ceilings
 
  Adjustable plenum slot diffuser
 
  Adjustable, gasket-tipped blade plenum slot diffuser
 
  Adjustable gasket-tipped blade plenum slot diffuser for narrow tee ceiling
 
  High capacity plenum slot diffuser, insulated, fixed blade
 
  Adjustable plenum slot diffuser
 
  Adjustable, gasket-tipped blade plenum slot diffuser
 
  Plenum slot diffuser for use as a return
 
  Plenum slot diffuser for use as a return
 
  Plenum slot return for narrow tee ceiling
 
  Fire Rated Steel Perforated Return
 
  Fire Rated Steel Perforated Supply
 
  Fire Rated Plenum Slot Diffuser
 
  Fire Rated Plenum Slot Return
 
  Fire Rated TDC Diffuser
 
  Fire Rated TDCA Diffuser
 
  Fire-rated Steel High Performance Square Diffuser
 
  Fire Rated Steel Adjustable High Performance Square Diffuser
 
  Steel Duct-Mounted Sliding Blade Damper
 
  Steel Opposed Blade Damper
 
  Aluminum Opposed Blade Damper
 
  Steel Opposed Blade Damper for Drum Louvers
 
  Stainless Steel Opposed Blade Damper
 
  Steel Volume Extractor, 2" Blade Spacing
 
  Steel, Grille Mounted, Opposed Blade Damper
 
  Aluminum, Grille Mounted Opposed Blade Damper
 
  Steel Opposed Blade Damper, Duct Mounted
 
  Aluminum Duct-Mounted Opposed Blade Damper
 
  Steel Volume Extractor, 1" Spacing, Long Blades
 
  Steel Damper with Equalizing Grid
 
  Steel Damper with Grid, Blades Parallel to Long Dimension
 
  Steel Damper with Grid, Blades Parallel to Short Dimension
 
  Steel Duct-Mounted Opposed Blade Damper
 
  Steel Butterfly Damper
 
  Steel Opposed Blade Damper
 
  Aluminum Opposed Blade Damper
 
  Aluminum Opposed Blade, Duct-Mounted Cable-Operated Damper  
 
  Steel Cable-Operated Oval Damper
 
  Steel Neck-Mounted Sliding Blade Damper
 
  Steel Neck-Mounted Opposed Blade Damper
 
  Equalizing Grid for Round Neck Diffusers
 
  Equalizing Grid for Rectangular Necks, Blades Parallel to Long Dimension
 
  Steel Equalizing Grid with Blades Parallel to Short Dimension
 
  An Acoustical Return Sound Boot Designed for Ceiling Plenum Return Air Applications
 
  A Brace Designed to Shape Flexible Ducts into Highly Efficient 90 Degree Elbows at the Diffuser Inlet
 
  Steel Plaster Frame for Grilles
 
  Aluminum Plaster Frame
 
  Stainless Steel Plaster Frame
 
  An accessory for return grilles that reduces crosstalk noise between rooms
 
  Steel, Sectorizing Baffle, Used for Special Applications
 
  Aluminum Diffuser Rapid Mount Frame
 
  Aluminum Rapid Mount Frame / Plaster Frame
 
  Steel Rapid Mount Frame / Plaster Frame