Shop Diffuser Connection to Duct

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$69.95
Repa Market 9" X 9" (Neck) Square Aluminum Ceiling Diffuser - Industrial 4 Way Supply Exhaust Ventilation, Air Conditioning - HVAC Horizontal Flow
Amazon.com
Free shipping
$69.95
Repa Market 9" X 9" (Neck) Square Aluminum Ceiling Diffuser - Industrial 4 Way Supply Exhaust Ventilation, Air Conditioning - HVAC Horizontal Flow
Amazon.com
Free shipping
$48.59
$51.79
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
$48.59
$51.79
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
$15.00
Fits 8X4 Duct Opening 2 Way Steel Air Supply Diffuser By Handua | Register Vent Cover Grille For Sidewall And Ceiling | White | Outer Dimensions: 9.75
Amazon.com
175
$15.00
Fits 8X4 Duct Opening 2 Way Steel Air Supply Diffuser By Handua | Register Vent Cover Grille For Sidewall And Ceiling | White | Outer Dimensions: 9.75
Amazon.com
175
$58.99
Therwen 4 Pieces 8 Inch Round Diffuser HVAC Round Ceiling Vent Cover Replacement Vent Diffuser With Screws To Install Fitting In Duct Outer Dimensions
Amazon.com
96
Free shipping
$58.99
Therwen 4 Pieces 8 Inch Round Diffuser HVAC Round Ceiling Vent Cover Replacement Vent Diffuser With Screws To Install Fitting In Duct Outer Dimensions
Amazon.com
96
$78.34
Pro Select Psfd 6" X 12" Duct Connection Floor Diffuser White
Everymarket INC
30-day returns (most items)
$78.34
Pro Select Psfd 6" X 12" Duct Connection Floor Diffuser White
Everymarket INC
30-day returns
$51.15
HVAC Premium 10''W X 8''H 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 11.65''W X 9.65''H]
Amazon.com
1K+
Free shipping
$51.15
HVAC Premium 10''W X 8''H 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 11.65''W X 9.65''H]
Amazon.com
1K+
$24.70
$30.90
Galvanized Steel Linear Diffuser With 1" Slots - DLC 1 Slot Of 1" Duct Opening Height Of 2-1/4" 1 ft Long / White
Advantage Mechanical Supply
20% off
$24.70
$30.90
Galvanized Steel Linear Diffuser With 1" Slots - DLC 1 Slot Of 1" Duct Opening Height Of 2-1/4" 1 ft Long / White
Advantage Mechanical Supply
$76.16
Pro Select Psdfd 4" X 12" Duct Connection Deluxe Floor Diffuser Brown
Everymarket INC
$76.16
Pro Select Psdfd 4" X 12" Duct Connection Deluxe Floor Diffuser Brown
Everymarket INC
$97.48
HVAC Premium 18W X 18H 4Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser Vertical Horizontal Direction Vent Duct Cover [Outer Dimensions
Amazon.com
1K+
Free shipping
$97.48
HVAC Premium 18W X 18H 4Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser Vertical Horizontal Direction Vent Duct Cover [Outer Dimensions
Amazon.com
1K+
$19.80
Fits 10X8 Duct Opening 2 Way Steel Air Supply Diffuser By Handua | Register Vent Cover Grille For Sidewall And Ceiling | White | Outer Dimensions:
Amazon.com
421
$19.80
Fits 10X8 Duct Opening 2 Way Steel Air Supply Diffuser By Handua | Register Vent Cover Grille For Sidewall And Ceiling | White | Outer Dimensions:
Amazon.com
421
$55.60
$69.50
DTA3 - Steel Modular Diffuser With 3 Plates And Insulation 12"X12" On 6" Duct / White / Steel
Advantage Mechanical Supply
20% off
$55.60
$69.50
DTA3 - Steel Modular Diffuser With 3 Plates And Insulation 12"X12" On 6" Duct / White / Steel
Advantage Mechanical Supply
$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
$41.19
Fits 16X8 Duct Opening 2 Way Steel Air Supply Diffuser By Handua | Register Vent Cover Grille For Sidewall And Ceiling | White | Outer Dimensions:
Amazon.com
221
Free shipping
$41.19
Fits 16X8 Duct Opening 2 Way Steel Air Supply Diffuser By Handua | Register Vent Cover Grille For Sidewall And Ceiling | White | Outer Dimensions:
Amazon.com
221
$1,695.80
$1,971.36
Four Way Angled Face Concentric Diffuser 16.5" / 3.5" / 14" / 30" X 13" / 18" X 18" / 18" X 5" / 1000 - 2500
Advantage Mechanical Supply
13% off
$1,695.80
$1,971.36
Four Way Angled Face Concentric Diffuser 16.5" / 3.5" / 14" / 30" X 13" / 18" X 18" / 18" X 5" / 1000 - 2500
Advantage Mechanical Supply
$85.00
Air Diffuser For 8in Ducts
Etsy
449
Free shipping
$85.00
Air Diffuser For 8in Ducts
Etsy
449
$12.58
IMPERIAL Imperial Series Air Diffuser 4 5 in Duct Opening Plastic White VT0110
DkHardware.com
$12.58
IMPERIAL Imperial Series Air Diffuser 4 5 in Duct Opening Plastic White VT0110
DkHardware.com
$42.49
Southwark 731010-SW Duct Box, Diffuser, 10 in X 10 in Dia, 10 in WD, 10 in LG | Skip The Warehouse
Skip The Warehouse
$42.49
Southwark 731010-SW Duct Box, Diffuser, 10 in X 10 in Dia, 10 in WD, 10 in LG | Skip The Warehouse
Skip The Warehouse
$62.26
$100.81
Hart & Cooley FPD08 - 24X24 Fixed Pattern T-Bar Diffuser With 8 in. Duct Collar (FPD08)
Voomi Supply
38% off
$62.26
$100.81
Hart & Cooley FPD08 - 24X24 Fixed Pattern T-Bar Diffuser With 8 in. Duct Collar (FPD08)
Voomi Supply
$36.17
Bluefin DF4W-8 T-Bar 3-Cone Fixed Pattern Diffuser W/ 8" Collar | Supplyhouse.Com
SupplyHouse.com
17
$36.17
Bluefin DF4W-8 T-Bar 3-Cone Fixed Pattern Diffuser W/ 8" Collar | Supplyhouse.Com
SupplyHouse.com
17
$19.89
TOP-VIGOR 4 Inch Diameter Duct Transition, 3-1/4" X 10" To 4" Rectangular To Round Duct Transition, Galvanized HVAC Vent Connector For Exhaust Fan,
Amazon.com
$19.89
TOP-VIGOR 4 Inch Diameter Duct Transition, 3-1/4" X 10" To 4" Rectangular To Round Duct Transition, Galvanized HVAC Vent Connector For Exhaust Fan,
Amazon.com
$72.06
$77.06
HVAC Premium 8 X 8 HVAC Vent Cover - 4 Way Supply Grille - Duct Cover & Diffuser - Low Noise - For Ceiling - With Opposing Damper Blades [Outer
Amazon.com
Free shipping
$72.06
$77.06
HVAC Premium 8 X 8 HVAC Vent Cover - 4 Way Supply Grille - Duct Cover & Diffuser - Low Noise - For Ceiling - With Opposing Damper Blades [Outer
Amazon.com
Free shipping
$363.11
4 Way Diffuser 14 in Square 4-Way Adjustable Diffuser, White SDIG77514
SIM Supply
$363.11
4 Way Diffuser 14 in Square 4-Way Adjustable Diffuser, White SDIG77514
SIM Supply
$1,767.92
Four Way Right Angle Concentric Diffuser 12" / 7" / 34" / 14" / 30" X 13" / 26" X 26" / 30" X 4" / 850 -1800
Advantage Mechanical Supply
13% off
$1,767.92
Four Way Right Angle Concentric Diffuser 12" / 7" / 34" / 14" / 30" X 13" / 26" X 26" / 30" X 4" / 850 -1800
Advantage Mechanical Supply
$62.26
$100.81
Hart & Cooley FPD12 - 24X24 Fixed Pattern T-Bar Diffuser With 12 in. Duct Collar (FPD12)
Voomi Supply
39
38% off
$62.26
$100.81
Hart & Cooley FPD12 - 24X24 Fixed Pattern T-Bar Diffuser With 12 in. Duct Collar (FPD12)
Voomi Supply
39
$38.00
$47.60
4-Way Deflection Diffuser - DA4 12" X 10" / White / Aluminum
Advantage Mechanical Supply
20% off
$38.00
$47.60
4-Way Deflection Diffuser - DA4 12" X 10" / White / Aluminum
Advantage Mechanical Supply
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    Shop Diffuser Connection to Duct

    Sponsored
    About our ads
    $69.95
    Repa Market 9" X 9" (Neck) Square Aluminum Ceiling Diffuser - Industrial 4 Way Supply Exhaust Ventilation, Air Conditioning - HVAC Horizontal Flow
    Amazon.com
    Free shipping
    $69.95
    Repa Market 9" X 9" (Neck) Square Aluminum Ceiling Diffuser - Industrial 4 Way Supply Exhaust Ventilation, Air Conditioning - HVAC Horizontal Flow
    Amazon.com
    Free shipping
    $48.59
    $51.79
    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
    $48.59
    $51.79
    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
    $15.00
    Fits 8X4 Duct Opening 2 Way Steel Air Supply Diffuser By Handua | Register Vent Cover Grille For Sidewall And Ceiling | White | Outer Dimensions: 9.75
    Amazon.com
    175
    $15.00
    Fits 8X4 Duct Opening 2 Way Steel Air Supply Diffuser By Handua | Register Vent Cover Grille For Sidewall And Ceiling | White | Outer Dimensions: 9.75
    Amazon.com
    175
    $58.99
    Therwen 4 Pieces 8 Inch Round Diffuser HVAC Round Ceiling Vent Cover Replacement Vent Diffuser With Screws To Install Fitting In Duct Outer Dimensions
    Amazon.com
    96
    Free shipping
    $58.99
    Therwen 4 Pieces 8 Inch Round Diffuser HVAC Round Ceiling Vent Cover Replacement Vent Diffuser With Screws To Install Fitting In Duct Outer Dimensions
    Amazon.com
    96
    $78.34
    Pro Select Psfd 6" X 12" Duct Connection Floor Diffuser White
    Everymarket INC
    30-day returns (most items)
    $78.34
    Pro Select Psfd 6" X 12" Duct Connection Floor Diffuser White
    Everymarket INC
    30-day returns
    $51.15
    HVAC Premium 10''W X 8''H 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 11.65''W X 9.65''H]
    Amazon.com
    1K+
    Free shipping
    $51.15
    HVAC Premium 10''W X 8''H 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 11.65''W X 9.65''H]
    Amazon.com
    1K+
    $24.70
    $30.90
    Galvanized Steel Linear Diffuser With 1" Slots - DLC 1 Slot Of 1" Duct Opening Height Of 2-1/4" 1 ft Long / White
    Advantage Mechanical Supply
    20% off
    $24.70
    $30.90
    Galvanized Steel Linear Diffuser With 1" Slots - DLC 1 Slot Of 1" Duct Opening Height Of 2-1/4" 1 ft Long / White
    Advantage Mechanical Supply
    $76.16
    Pro Select Psdfd 4" X 12" Duct Connection Deluxe Floor Diffuser Brown
    Everymarket INC
    $76.16
    Pro Select Psdfd 4" X 12" Duct Connection Deluxe Floor Diffuser Brown
    Everymarket INC
    $97.48
    HVAC Premium 18W X 18H 4Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser Vertical Horizontal Direction Vent Duct Cover [Outer Dimensions
    Amazon.com
    1K+
    Free shipping
    $97.48
    HVAC Premium 18W X 18H 4Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser Vertical Horizontal Direction Vent Duct Cover [Outer Dimensions
    Amazon.com
    1K+
    $19.80
    Fits 10X8 Duct Opening 2 Way Steel Air Supply Diffuser By Handua | Register Vent Cover Grille For Sidewall And Ceiling | White | Outer Dimensions:
    Amazon.com
    421
    $19.80
    Fits 10X8 Duct Opening 2 Way Steel Air Supply Diffuser By Handua | Register Vent Cover Grille For Sidewall And Ceiling | White | Outer Dimensions:
    Amazon.com
    421
    $55.60
    $69.50
    DTA3 - Steel Modular Diffuser With 3 Plates And Insulation 12"X12" On 6" Duct / White / Steel
    Advantage Mechanical Supply
    20% off
    $55.60
    $69.50
    DTA3 - Steel Modular Diffuser With 3 Plates And Insulation 12"X12" On 6" Duct / White / Steel
    Advantage Mechanical Supply
    $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
    $41.19
    Fits 16X8 Duct Opening 2 Way Steel Air Supply Diffuser By Handua | Register Vent Cover Grille For Sidewall And Ceiling | White | Outer Dimensions:
    Amazon.com
    221
    Free shipping
    $41.19
    Fits 16X8 Duct Opening 2 Way Steel Air Supply Diffuser By Handua | Register Vent Cover Grille For Sidewall And Ceiling | White | Outer Dimensions:
    Amazon.com
    221
    $1,695.80
    $1,971.36
    Four Way Angled Face Concentric Diffuser 16.5" / 3.5" / 14" / 30" X 13" / 18" X 18" / 18" X 5" / 1000 - 2500
    Advantage Mechanical Supply
    13% off
    $1,695.80
    $1,971.36
    Four Way Angled Face Concentric Diffuser 16.5" / 3.5" / 14" / 30" X 13" / 18" X 18" / 18" X 5" / 1000 - 2500
    Advantage Mechanical Supply
    $85.00
    Air Diffuser For 8in Ducts
    Etsy
    449
    Free shipping
    $85.00
    Air Diffuser For 8in Ducts
    Etsy
    449
    $12.58
    IMPERIAL Imperial Series Air Diffuser 4 5 in Duct Opening Plastic White VT0110
    DkHardware.com
    $12.58
    IMPERIAL Imperial Series Air Diffuser 4 5 in Duct Opening Plastic White VT0110
    DkHardware.com
    $42.49
    Southwark 731010-SW Duct Box, Diffuser, 10 in X 10 in Dia, 10 in WD, 10 in LG | Skip The Warehouse
    Skip The Warehouse
    $42.49
    Southwark 731010-SW Duct Box, Diffuser, 10 in X 10 in Dia, 10 in WD, 10 in LG | Skip The Warehouse
    Skip The Warehouse
    $62.26
    $100.81
    Hart & Cooley FPD08 - 24X24 Fixed Pattern T-Bar Diffuser With 8 in. Duct Collar (FPD08)
    Voomi Supply
    38% off
    $62.26
    $100.81
    Hart & Cooley FPD08 - 24X24 Fixed Pattern T-Bar Diffuser With 8 in. Duct Collar (FPD08)
    Voomi Supply