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16"W X 16"H [Duct Opening] 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 17.75"W X 17.75"H] White - HVAC Premium
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Fits 10 Inch Neck Air Duct | Steel Round Air Supply Diffuser For Ceiling By Handua | 10" Neck Steel Butterfly Damper&Handle Included | Round Diffuser
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HBW 12" Round Ceiling Diffuser White Powder Coated With Outside Dimension Of 16" Fitting In 12" Duct
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Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling - Grille
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Baseboard Register Diffuser Vent Covers: 12 Pcs 18 Inch Baseboard Diffuser (Duct Opening Size) - Smooth Air Adjust Lever & Easy Install For Home Floor
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Therwen 4 Pieces 8 Inch Round Diffuser HVAC Round Ceiling Vent Cover Replacement Vent Diffuser With Screws To Install Fitting In Duct Outer Dimensions
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12"W X 26"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 13.75"W X 27.75"H] White - HVAC Premium
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25" X 36" Return Air Grille - Sidewall And Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 26.75W X 37.75" H]
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25" X 36" Return Air Grille - Sidewall And Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 26.75W X 37.75" H]
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Fits 16X8 Duct Opening 2 Way Steel Air Supply Diffuser By Handua | Register Vent Cover Grille For Sidewall And Ceiling | White | Outer Dimensions:
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American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 6 in Duct, Plastic, Square Cone, White Model: STR-C-6W-R6
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LB White End Diffuser Kit For 8 in Duct - 500-132541
Acme Tools
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HVAC Premium 12'' Round Ceiling Diffuser - Easy Air Flow - HVAC Vent Duct Cover [White] - [Outer Dimensions: 16'']
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Price Diffuser: Ceiling, 24 in Dia, 24 in H, 24 in W, Lay-In, 15 in Duct, Steel, Square Plaque, White Model: SPD-GR000042
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Havaco 2'X2' Lay-In 3 Cone Supply With 10" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
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Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 6 in Duct, Steel, Square Cone, White Model: 4MJV2
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American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 6 in Duct, Plastic, Square Plaque, White Model: STR-PQ-6W
Grainger
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American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 6 in Duct, Plastic, Square Plaque, White Model: STR-PQ-6W
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American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 12 in Duct, Plastic, Square Cone, White Model: STR-C-12W-FR
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Grainger
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Shop diffusers in ductwork

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$84.90
$94.33
16"W X 16"H [Duct Opening] 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 17.75"W X 17.75"H] White - HVAC Premium
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Fits 10 Inch Neck Air Duct | Steel Round Air Supply Diffuser For Ceiling By Handua | 10" Neck Steel Butterfly Damper&Handle Included | Round Diffuser
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Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling - Grille
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Fits 16X8 Duct Opening 2 Way Steel Air Supply Diffuser By Handua | Register Vent Cover Grille For Sidewall And Ceiling | White | Outer Dimensions:
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