Collection: Registers, Grilles, & Diffusers

Registers, Grilles, & Diffusers

We carry one of the largest stocks of commercial air devices featuring  METALAIRE ceiling supply diffusers, wall/ceiling supply grilles & registers, and wall/ceiling return or exhaust grilles & registers; for installation in commercial or residential applications.

Accesories including T-Bar Ceiling Plaster Frames, Dampers, Square-to-Rounds, Backpans are also in stock.


We feature one click product submittal and performance data downloads.

36 products

  • Commercial Ceiling Supply Diffusers

    USAIRE - 7500-6 Perforated Face T-Bar Lay-In Diffuser Round Neck

    FEATURES: Perforated face supply air diffuser fits standard 12" x 12" or 24" x 24" T-bar lay-in ceilings. Round neck and hinged, removeable face for access....

    Regular price $62.00 USD
    Sale price $62.00 USD Regular price
    Sale Sold out
  • Commercial Ceiling Supply Diffusers

    USAIRE - 5500S-6 Louver Face T-Bar Lay-In Square Diffuser Round Neck

    FEATURES: Louver face supply air ceiling diffuser fits standard 24" x 24" T-bar lay-in ceilings using filler panel under 16" dia. neck. Round neck. 4 way...

    Regular price $100.00 USD
    Sale price $100.00 USD Regular price
    Sale Sold out
  • Commercial Ceiling Supply Diffusers

    USAIRE - 4700-6 Full Louver Face T-Bar Lay-In Square Diffuser Round Neck

    FEATURES: Full louver face supply air diffuser fits standard 12" x 12" or 24" x 24" T-bar lay-in ceilings. Round neck. Cones have adjustable deflector blades....

    Regular price $50.00 USD
    Sale price $50.00 USD Regular price
    Sale Sold out
  • Commercial Ceiling Supply Diffusers

    USAIRE - PHPSI-6 Plenum Slot Lay-In Diffuser Round Neck

    FEATURES: Insulated plenum 2 slot supply air linear diffuser fits standard T-bar lay-in ceilings. Inlet sized to fit round flexible duct. White center tee and adjustable...

    Regular price $106.00 USD
    Sale price $106.00 USD Regular price
    Sale Sold out
  • Commercial Wall/Ceiling Return/Exhaust Grilles & Registers

    USAIRE - RH Return/Exhaust Grilles Surface Mounted w/Fixed Horizontal 45 Degree Deflection Blades

    FEATURES: Return/Exhaust air grille. Surface mounted for wall or ceiling. Fixed horizontal 45 degree deflection blades. Square/rectangular neck. Mounting holes and screws included. Material: Aluminum with...

    Regular price $24.00 USD
    Sale price $24.00 USD Regular price
    Sale Sold out
  • Commercial Wall/Ceiling Supply Grilles & Registers

    USAIRE - V4004-1D Double Deflection Surface Mtd. Supply Registers

    FEATURES: Double deflection supply air register. Surface mounted for wall or ceiling. Vertical front blades, horizontal back blades; all adjustable. Square/rectangular neck. Opposed blade adjustable damper...

    Regular price $54.00 USD
    Sale price $54.00 USD Regular price
    Sale Sold out
  • Commercial Register, Grille, & Diffuser Accessories

    ADD-A-TAP Square Backpan For Ceiling Air Devices

    FEATURES: Material: 28 gauge galvanized steel, 4" deep. Solid top for mounting round (or other) take-off or tap (not included) in the field. 20.25" x 20.25"...

    Regular price $40.12 USD
    Sale price $40.12 USD Regular price
    Sale Sold out
  • Commercial Register, Grille, & Diffuser Accessories

    Crown Products - Square-to-Round Transitions

    FEATURES: Material: 28 gauge galvanized steel. Square end is 3" deep and 3/16" over-sized to fit over air device neck. Round collar is 3" deep and...

    Regular price $22.00 USD
    Sale price $22.00 USD Regular price
    Sale Sold out
  • Commercial Ceiling Supply Diffusers

    USAIRE - 5500S-2 Louver Face Surface Mtg. Square Diffuser w/ Damper

    FEATURES Louver face supply air ceiling diffuser, surface mounted with anti-smudge V-beveled drop frame. Opposed blade damper mounted in neck. 1, 2, 3. or 4 way...

    Regular price $76.00 USD
    Sale price $76.00 USD Regular price
    Sale Sold out
  • Commercial Ceiling Supply Diffusers

    USAIRE - 5500S-6 Louver Face T-Bar Lay-In Square Diffuser

    FEATURES: Louver face supply air diffuser fits standard 24" x 24" T-bar lay-in ceilings using filler panel. Opposed blade damper mounted in neck. 4 way blow...

    Regular price $104.00 USD
    Sale price $104.00 USD Regular price
    Sale Sold out
  • Commercial Ceiling Supply Diffusers

    USAIRE - 4700A-6 Adjustable Full Louver Face T-Bar Lay-In Square Diffuser Round Neck

    FEATURES: Full louver face supply air diffuser fits standard 12" x 12" or 24" x 24" T-bar lay-in ceilings. Round neck. Cones have adjustable deflector blades....

    Regular price $95.00 USD
    Sale price $95.00 USD Regular price
    Sale Sold out
  • Commercial Ceiling Supply Diffusers

    USAIRE - 4750-6 Square Panel Face T-Bar Lay-In Square Diffuser Round Neck

    FEATURES: Square panel face supply air diffuser fits standard 24" x 24" T-bar lay-in ceilings. Round neck. 4 way blow 360 degree horizontal air pattern, removeable...

    Regular price $82.00 USD
    Sale price $82.00 USD Regular price
    Sale Sold out
  • Commercial Wall/Ceiling Return/Exhaust Grilles & Registers

    USAIRE - 7000R-6 Perforated Face T-Bar Lay-in Return / Exhaust Grille Aluminum

    FEATURES: Perforated face return/exhaust air grille fits standard 48" x 24" T-bar lay-in ceilings, 46" x 22" Rectangular neck and removeable face plate (spring clips) for...

    Regular price $110.00 USD
    Sale price $110.00 USD Regular price
    Sale Sold out
  • Commercial Wall/Ceiling Return/Exhaust Grilles & Registers

    USAIRE - 7500-6R Perforated Face T-Bar Lay-In Square Return/Exhaust Grille Round Neck

    FEATURES: Perforated face return/exhaust air grille fits standard 24" x 24" T-bar lay-in ceilings. Round neck and hinged, removeable face for access. Material: Steel with white...

    Regular price $64.00 USD
    Sale price $64.00 USD Regular price
    Sale Sold out
  • Commercial Wall/Ceiling Return/Exhaust Grilles & Registers

    USAIRE - 7550-6R Perforated Face T-Bar Lay-In Return/Exhaust Grille Rectangular Neck

    FEATURES: Perforated face return/exhaust air grille fits standard 24" x 24" T-bar lay-in ceilings. Rectangular neck and hinged, removeable face for access. Material: Steel with white...

    Regular price $48.00 USD
    Sale price $48.00 USD Regular price
    Sale Sold out
  • Commercial Wall/Ceiling Return/Exhaust Grilles & Registers

    USAIRE - CC5-1D Return/Exhaust Register Surface Mtd. Square w/ Aluminum Cube Core

    FEATURES: 12" x 12" neck Return/Exhaust air register CFM:700. Surface mounted for wall or ceiling. High capacity aluminum cube core 1/2" x 1/2" x 1/2". Square/rectangular...

    Regular price $48.00 USD
    Sale price $48.00 USD Regular price
    Sale Sold out
  • Commercial Wall/Ceiling Return/Exhaust Grilles & Registers

    USAIRE - CC5-6 Return/Exhaust T-Bar Lay-in Grilles w/Aluminum Cube Core

    FEATURES: Return/Exhaust air grille fits standard 24" x 24" T-bar lay-in ceilings. High capacity aluminum cube core 1/2" x 1/2" x 1/2". Square/rectangular neck. Material: Aluminum...

    Regular price $64.00 USD
    Sale price $64.00 USD Regular price
    Sale Sold out
  • Commercial Wall/Ceiling Return/Exhaust Grilles & Registers

    USAIRE- CC5-6D Return/Exhaust T-Bar Lay-in Registers w/Aluminum Cube Core

    FEATURES: Return/Exhaust air register fits standard 24" x 24" T-bar lay-in ceilings. High capacity aluminum cube core 1/2" x 1/2" x 1/2". Square/rectangular neck. Opposed blade...

    Regular price $166.00 USD
    Sale price