Shop Diffusers in Ductwork

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$57.91
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 8 in Duct, Steel, Square Cone, White Model: 4MJV3
Grainger
$57.91
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 8 in Duct, Steel, Square Cone, White Model: 4MJV3
Grainger
$59.10
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 6 in Duct, Steel, Square Cone, White Model: 4MJV2
Grainger
$59.10
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 6 in Duct, Steel, Square Cone, White Model: 4MJV2
Grainger
$58.75
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 12 in Duct, Steel, Square Cone, White Model: 4MJV5
Grainger
$58.75
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 12 in Duct, Steel, Square Cone, White Model: 4MJV5
Grainger
$10.68
Diffuser: Ceiling/Wall, 8 1/2 in Dia, Surface Mount, 6 in Duct, Steel, Round Cone, White Model: 4JRK8
Grainger
$10.68
Diffuser: Ceiling/Wall, 8 1/2 in Dia, Surface Mount, 6 in Duct, Steel, Round Cone, White Model: 4JRK8
Grainger
$45.07
Diffuser: Ceiling/Wall, 11 in H, 11 in W, Surface Mount, 8 in Duct, Aluminum, 4-Way Louvered, White Model: 4MJJ6
Grainger
$45.07
Diffuser: Ceiling/Wall, 11 in H, 11 in W, Surface Mount, 8 in Duct, Aluminum, 4-Way Louvered, White Model: 4MJJ6
Grainger
$154.74
Hart & Cooley 551135 14" X 8" SV1 W16 Aluminum Single Deflection Spiral Diffuser W/ 16" Duct Diameter | Supplyhouse.Com
SupplyHouse.com
$154.74
Hart & Cooley 551135 14" X 8" SV1 W16 Aluminum Single Deflection Spiral Diffuser W/ 16" Duct Diameter | Supplyhouse.Com
SupplyHouse.com
$48.99
Fits 10 Inch Neck Air Duct | Steel Round Air Supply Diffuser For Ceiling By Handua | 10" Neck Steel Butterfly Damper&Handle Included | Round Diffuser
Amazon.com
9
Free shipping
$48.99
Fits 10 Inch Neck Air Duct | Steel Round Air Supply Diffuser For Ceiling By Handua | 10" Neck Steel Butterfly Damper&Handle Included | Round Diffuser
Amazon.com
$17.41
Diffuser: Ceiling/Wall, 14 in Dia, Surface Mount, 10 in Duct, Steel, Round Cone, White Model: 4JRL1
Grainger
$17.41
Diffuser: Ceiling/Wall, 14 in Dia, Surface Mount, 10 in Duct, Steel, Round Cone, White Model: 4JRL1
Grainger
$43.24
HVAC Premium 10''W X 8''H Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - Full Control Vertical/Horizontal Airflow Direction - Vent
Amazon.com
57
Free shipping
$43.24
HVAC Premium 10''W X 8''H Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - Full Control Vertical/Horizontal Airflow Direction - Vent
Amazon.com
$58.86
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 10 in Duct, Steel, Square Cone, White Model: 4MJV4
Grainger
$58.86
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 10 in Duct, Steel, Square Cone, White Model: 4MJV4
Grainger
$59.94
Diffuser: Ceiling/Wall, 23 3/4 in H, 23 3/4 in W, Surface Mount, 6 To 12 in Duct, Steel, Square Cone Model: 4JRL3
Grainger
$59.94
Diffuser: Ceiling/Wall, 23 3/4 in H, 23 3/4 in W, Surface Mount, 6 To 12 in Duct, Steel, Square Cone Model: 4JRL3
Grainger
$89.40
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 10 in Duct, Plastic, Square Cone, White Model: STR-C-10W-R6
Grainger
$89.40
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 10 in Duct, Plastic, Square Cone, White Model: STR-C-10W-R6
Grainger
$47.49
Diffuser: Ceiling/Wall, 13 in H, 13 in W, Surface Mount, 10 in Duct, Aluminum, 3-Way Louvered, White Model: 4MJJ4
Grainger
$47.49
Diffuser: Ceiling/Wall, 13 in H, 13 in W, Surface Mount, 10 in Duct, Aluminum, 3-Way Louvered, White Model: 4MJJ4
Grainger
$14.92
Diffuser: Ceiling/Wall, 10 1/2 in Dia, Surface Mount, 8 in Duct, Steel, Round Cone, White Model: 4JRK9
Grainger
$14.92
Diffuser: Ceiling/Wall, 10 1/2 in Dia, Surface Mount, 8 in Duct, Steel, Round Cone, White Model: 4JRK9
Grainger
$55.12
HVAC Premium 12''W X 12''H 4Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser - Vent Duct Cover [Outer Dimensions: 13.65''W X 13.65''H]
Amazon.com
1K+
Free shipping
$55.12
HVAC Premium 12''W X 12''H 4Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser - Vent Duct Cover [Outer Dimensions: 13.65''W X 13.65''H]
Amazon.com
$56.21
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 8 in Duct, Steel, Square Cone, White Model: 4MJU3
Grainger
$56.21
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 8 in Duct, Steel, Square Cone, White Model: 4MJU3
Grainger
$47.29
Diffuser: Ceiling/Wall, 23 5/8 in H, 23 5/8 in W, Surface Mount, 6 To 14 in Duct, Steel, Perforated Model: 4JRL2
Grainger
$47.29
Diffuser: Ceiling/Wall, 23 5/8 in H, 23 5/8 in W, Surface Mount, 6 To 14 in Duct, Steel, Perforated Model: 4JRL2
Grainger
$115.10
Diffuser: Ceiling/Wall, 9 in H, 9 in W, Surface Mount, 6 in Duct, Aluminum, 4-Way Louvered, White Model: 4MJJ5
Grainger
$115.10
Diffuser: Ceiling/Wall, 9 in H, 9 in W, Surface Mount, 6 in Duct, Aluminum, 4-Way Louvered, White Model: 4MJJ5
Grainger
$195.69
Hart & Cooley 610664 12" X 12" Aluminum Adjustable Modular Core Diffuser W/ 10" Round Duct (MCDSTSR Series) | Supplyhouse.Com
SupplyHouse.com
$195.69
Hart & Cooley 610664 12" X 12" Aluminum Adjustable Modular Core Diffuser W/ 10" Round Duct (MCDSTSR Series) | Supplyhouse.Com
SupplyHouse.com
$75.72
Price Diffuser: Ceiling, 24 in Dia, 24 in H, 24 in W, Lay-In, 15 in Duct, Steel, Square Plaque, White Model: SPD-GR000042
Grainger
$75.72
Price Diffuser: Ceiling, 24 in Dia, 24 in H, 24 in W, Lay-In, 15 in Duct, Steel, Square Plaque, White Model: SPD-GR000042
Grainger
$86.66
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
Grainger
$86.66
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
Grainger
$187.99
LB White End Diffuser Kit For 8 in Duct - 500-132541
Acme Tools
$187.99
LB White End Diffuser Kit For 8 in Duct - 500-132541
Acme Tools
$29.70
Diffuser: Ceiling/Wall, 9 in H, 9 in W, Surface Mount, 6 in Duct, Aluminum, 3-Way Louvered, White Model: 4MJJ2
Grainger
$29.70
Diffuser: Ceiling/Wall, 9 in H, 9 in W, Surface Mount, 6 in Duct, Aluminum, 3-Way Louvered, White Model: 4MJJ2
Grainger
$81.64
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-FR
Grainger
$81.64
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-FR
Grainger
$190.40
Diffuser: Ceiling/Wall, 13 in H, 13 in W, Surface Mount, 10 in Duct, Aluminum, 4-Way Louvered, White Model: 4MJJ7
Grainger
$190.40
Diffuser: Ceiling/Wall, 13 in H, 13 in W, Surface Mount, 10 in Duct, Aluminum, 4-Way Louvered, White Model: 4MJJ7
Grainger
Air Distribution for Exposed Ductwork Webinar
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Shop Diffusers in Ductwork

Sponsored
About our ads
$57.91
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 8 in Duct, Steel, Square Cone, White Model: 4MJV3
Grainger
$57.91
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 8 in Duct, Steel, Square Cone, White Model: 4MJV3
Grainger
$59.10
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 6 in Duct, Steel, Square Cone, White Model: 4MJV2
Grainger
$59.10
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 6 in Duct, Steel, Square Cone, White Model: 4MJV2
Grainger
$58.75
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 12 in Duct, Steel, Square Cone, White Model: 4MJV5
Grainger
$58.75
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 12 in Duct, Steel, Square Cone, White Model: 4MJV5
Grainger
$10.68
Diffuser: Ceiling/Wall, 8 1/2 in Dia, Surface Mount, 6 in Duct, Steel, Round Cone, White Model: 4JRK8
Grainger
$10.68
Diffuser: Ceiling/Wall, 8 1/2 in Dia, Surface Mount, 6 in Duct, Steel, Round Cone, White Model: 4JRK8
Grainger
$45.07
Diffuser: Ceiling/Wall, 11 in H, 11 in W, Surface Mount, 8 in Duct, Aluminum, 4-Way Louvered, White Model: 4MJJ6
Grainger
$45.07
Diffuser: Ceiling/Wall, 11 in H, 11 in W, Surface Mount, 8 in Duct, Aluminum, 4-Way Louvered, White Model: 4MJJ6
Grainger
$154.74
Hart & Cooley 551135 14" X 8" SV1 W16 Aluminum Single Deflection Spiral Diffuser W/ 16" Duct Diameter | Supplyhouse.Com
SupplyHouse.com
$154.74
Hart & Cooley 551135 14" X 8" SV1 W16 Aluminum Single Deflection Spiral Diffuser W/ 16" Duct Diameter | Supplyhouse.Com
SupplyHouse.com
$48.99
Fits 10 Inch Neck Air Duct | Steel Round Air Supply Diffuser For Ceiling By Handua | 10" Neck Steel Butterfly Damper&Handle Included | Round Diffuser
Amazon.com
9
Free shipping
$48.99
Fits 10 Inch Neck Air Duct | Steel Round Air Supply Diffuser For Ceiling By Handua | 10" Neck Steel Butterfly Damper&Handle Included | Round Diffuser
Amazon.com
$17.41
Diffuser: Ceiling/Wall, 14 in Dia, Surface Mount, 10 in Duct, Steel, Round Cone, White Model: 4JRL1
Grainger
$17.41
Diffuser: Ceiling/Wall, 14 in Dia, Surface Mount, 10 in Duct, Steel, Round Cone, White Model: 4JRL1
Grainger
$43.24
HVAC Premium 10''W X 8''H Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - Full Control Vertical/Horizontal Airflow Direction - Vent
Amazon.com
57
Free shipping
$43.24
HVAC Premium 10''W X 8''H Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - Full Control Vertical/Horizontal Airflow Direction - Vent
Amazon.com
$58.86
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 10 in Duct, Steel, Square Cone, White Model: 4MJV4
Grainger
$58.86
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 10 in Duct, Steel, Square Cone, White Model: 4MJV4
Grainger
$59.94
Diffuser: Ceiling/Wall, 23 3/4 in H, 23 3/4 in W, Surface Mount, 6 To 12 in Duct, Steel, Square Cone Model: 4JRL3
Grainger
$59.94
Diffuser: Ceiling/Wall, 23 3/4 in H, 23 3/4 in W, Surface Mount, 6 To 12 in Duct, Steel, Square Cone Model: 4JRL3
Grainger
$89.40
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 10 in Duct, Plastic, Square Cone, White Model: STR-C-10W-R6
Grainger
$89.40
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 10 in Duct, Plastic, Square Cone, White Model: STR-C-10W-R6
Grainger
$47.49
Diffuser: Ceiling/Wall, 13 in H, 13 in W, Surface Mount, 10 in Duct, Aluminum, 3-Way Louvered, White Model: 4MJJ4
Grainger
$47.49
Diffuser: Ceiling/Wall, 13 in H, 13 in W, Surface Mount, 10 in Duct, Aluminum, 3-Way Louvered, White Model: 4MJJ4
Grainger
$14.92
Diffuser: Ceiling/Wall, 10 1/2 in Dia, Surface Mount, 8 in Duct, Steel, Round Cone, White Model: 4JRK9
Grainger
$14.92
Diffuser: Ceiling/Wall, 10 1/2 in Dia, Surface Mount, 8 in Duct, Steel, Round Cone, White Model: 4JRK9
Grainger
$55.12
HVAC Premium 12''W X 12''H 4Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser - Vent Duct Cover [Outer Dimensions: 13.65''W X 13.65''H]
Amazon.com
1K+
Free shipping
$55.12
HVAC Premium 12''W X 12''H 4Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser - Vent Duct Cover [Outer Dimensions: 13.65''W X 13.65''H]
Amazon.com
$56.21
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 8 in Duct, Steel, Square Cone, White Model: 4MJU3
Grainger
$56.21
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 8 in Duct, Steel, Square Cone, White Model: 4MJU3
Grainger
$47.29
Diffuser: Ceiling/Wall, 23 5/8 in H, 23 5/8 in W, Surface Mount, 6 To 14 in Duct, Steel, Perforated Model: 4JRL2
Grainger
$47.29
Diffuser: Ceiling/Wall, 23 5/8 in H, 23 5/8 in W, Surface Mount, 6 To 14 in Duct, Steel, Perforated Model: 4JRL2
Grainger
$115.10
Diffuser: Ceiling/Wall, 9 in H, 9 in W, Surface Mount, 6 in Duct, Aluminum, 4-Way Louvered, White Model: 4MJJ5
Grainger
$115.10
Diffuser: Ceiling/Wall, 9 in H, 9 in W, Surface Mount, 6 in Duct, Aluminum, 4-Way Louvered, White Model: 4MJJ5
Grainger