Shop 4-Way Diffuser

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$165.50
Leyso 20" White Powder Coated 4-Way Adjustable Air Diffuser For Evaporative Swamp Cooler, 22" X 22" Mounting Edge (20"X20"X6")
Amazon.com
$165.50
Leyso 20" White Powder Coated 4-Way Adjustable Air Diffuser For Evaporative Swamp Cooler, 22" X 22" Mounting Edge (20"X20"X6")
Amazon.com
$24.82
$26.92
HVAC Premium 8"W X 8"H 4-Way AIR Supply Grille - Vent Cover & Diffuser - Flat Stamped Face - White [Outer Dimensions: 9.75"W X 9.75"H]
Amazon.com
5K+
$24.82
$26.92
HVAC Premium 8"W X 8"H 4-Way AIR Supply Grille - Vent Cover & Diffuser - Flat Stamped Face - White [Outer Dimensions: 9.75"W X 9.75"H]
Amazon.com
$33.16
Airtec MV4S 4-Way White Ceiling Diffuser
Skip The Warehouse
$33.16
Airtec MV4S 4-Way White Ceiling Diffuser
Skip The Warehouse
$220.00
Equipmentblvd 20" Stainless Steel 4-Way Adjustable Air Diffuser For Evaporative Swamp Cooler, 22" X 22" Mounting Edge (20"X20"X6")
Amazon.com
$220.00
Equipmentblvd 20" Stainless Steel 4-Way Adjustable Air Diffuser For Evaporative Swamp Cooler, 22" X 22" Mounting Edge (20"X20"X6")
Amazon.com
$62.95
Repa Market 9 X 9 Inch Neck, Square Aluminum 14 X 14 Inch Ceiling Diffuser-Industrial 4 Way Supply/Exhaust Ventilation, Air Conditioning - HVAC
Amazon.com
Free shipping
$62.95
Repa Market 9 X 9 Inch Neck, Square Aluminum 14 X 14 Inch Ceiling Diffuser-Industrial 4 Way Supply/Exhaust Ventilation, Air Conditioning - HVAC
Amazon.com
$78.95
ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 18" X 18", White, L-CL 4 m 18X18
Global Industrial
89
$78.95
ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 18" X 18", White, L-CL 4 m 18X18
Global Industrial
$70.95
ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 16" X 16", White, L-CL 4 m 16X16
Global Industrial
403
$70.95
ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 16" X 16", White, L-CL 4 m 16X16
Global Industrial
$43.95
ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 14" X 14", White, L-CL 4 m 14X14
Global Industrial
108
$43.95
ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 14" X 14", White, L-CL 4 m 14X14
Global Industrial
$33.35
Airtec MV4 4-Way White Ceiling Diffuser
Skip The Warehouse
$33.35
Airtec MV4 4-Way White Ceiling Diffuser
Skip The Warehouse
$19.19
1' X 1' White Plastic 4-Way, Grille Only, GR4 Airtec
1800ceiling.com
5
$19.19
1' X 1' White Plastic 4-Way, Grille Only, GR4 Airtec
1800ceiling.com
$52.15
$69.53
HVAC Premium 12''W X 12''H 4-Way AIR Supply Grille - Vent Cover & Diffuser - Flat Stamped Face - White [Outer Dimensions: 13.75''W X 13.75''H]
Amazon.com
6K+
Free shipping
24% off
$52.15
$69.53
HVAC Premium 12''W X 12''H 4-Way AIR Supply Grille - Vent Cover & Diffuser - Flat Stamped Face - White [Outer Dimensions: 13.75''W X 13.75''H]
Amazon.com
$44.13
1'X1' Square Standard 4-Way Plastic Air Vent Rectorseal
1800ceiling.com
$44.13
1'X1' Square Standard 4-Way Plastic Air Vent Rectorseal
1800ceiling.com
$39.66
HVAC Premium 8''W X 8''H 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser - Full Control Vertical/Horizontal Airflow Direction - Vent
Amazon.com
112
Free shipping
$39.66
HVAC Premium 8''W X 8''H 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser - Full Control Vertical/Horizontal Airflow Direction - Vent
Amazon.com
$43.52
[2 Pack] Fits 10X10 Duct Opening 4 Way Fixed Curved Blade Air Supply Diffuser By Handua | Register Vent Cover Grill For Sidewall And Ceiling | White |
Amazon.com
224
Free shipping
$43.52
[2 Pack] Fits 10X10 Duct Opening 4 Way Fixed Curved Blade Air Supply Diffuser By Handua | Register Vent Cover Grill For Sidewall And Ceiling | White |
Amazon.com
$54.99
Hart & Cooley 8" X 8" Aluminum 4-Way Ceiling Diffuser With Multi-Shutter Damper, Durable HVAC Air Vent Cover For Balanced Airflow, White
Amazon.com
23
Free shipping
$54.99
Hart & Cooley 8" X 8" Aluminum 4-Way Ceiling Diffuser With Multi-Shutter Damper, Durable HVAC Air Vent Cover For Balanced Airflow, White
Amazon.com
$47.95
ACAMINAIRE 4-Way Fixed Core Aluminum Ceiling Diffuser, 8" X 8", White, L-JSF-4OB 8X8
Global Industrial
26
$47.95
ACAMINAIRE 4-Way Fixed Core Aluminum Ceiling Diffuser, 8" X 8", White, L-JSF-4OB 8X8
Global Industrial
$28.95
ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 10" X 8", White, L-CL 4 m 10X8
Global Industrial
115
$28.95
ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 10" X 8", White, L-CL 4 m 10X8
Global Industrial
$27.95
ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 8" X 8", White, L-CL 4 m 8X8
Global Industrial
2
$27.95
ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 8" X 8", White, L-CL 4 m 8X8
Global Industrial
$78.95
ACAMINAIRE 4-Way Fixed Core Aluminum Ceiling Diffuser, 12" X 12", White, L-JSF-4OB 12X12
Global Industrial
2
$78.95
ACAMINAIRE 4-Way Fixed Core Aluminum Ceiling Diffuser, 12" X 12", White, L-JSF-4OB 12X12
Global Industrial
$374.90
4 Way Diffuser Diffuser,Filtered,24X24,14" Neck Sdig77514
Walmart
Free shipping
$374.90
4 Way Diffuser Diffuser,Filtered,24X24,14" Neck Sdig77514
Walmart
$29.95
ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 10" X 10", White, L-CL4 m 10X10
Global Industrial
89
$29.95
ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 10" X 10", White, L-CL4 m 10X10
Global Industrial
$52.12
HVAC Premium 12"W X 12"H [Duct Opening] 4-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H]
Amazon.com
34
Free shipping
$52.12
HVAC Premium 12"W X 12"H [Duct Opening] 4-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H]
Amazon.com
$21.50
ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 6" X 6", White, L-CL4 m 6X6
Global Industrial
2
$21.50
ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 6" X 6", White, L-CL4 m 6X6
Global Industrial
$123.04
Hart & Cooley | A504MS-14X14W | Ceiling Diffuser 4 Way Square Multi Shutter 14 X 14 Inch Bright White Aluminum
Midwest Supply
60-day returns (most items)
$123.04
Hart & Cooley | A504MS-14X14W | Ceiling Diffuser 4 Way Square Multi Shutter 14 X 14 Inch Bright White Aluminum
Midwest Supply
$17.99
Vent Systems 4" Inch Black Plastic Universal Diffuser - Round Adjustable Air Vent - Ceiling Duct Cover - Hot And Cold Air Distribution In Residential
Amazon.com
17
$17.99
Vent Systems 4" Inch Black Plastic Universal Diffuser - Round Adjustable Air Vent - Ceiling Duct Cover - Hot And Cold Air Distribution In Residential
Amazon.com
$71.90
16X16 Inch (Duct Opening) Aluminum 4-Way Air Flow Vent - HVAC Vent Cover For Wall Or Ceiling - Quiet HVAC Wall Register With Multi-Shutter Damper -
Amazon.com
403
Free shipping
$71.90
16X16 Inch (Duct Opening) Aluminum 4-Way Air Flow Vent - HVAC Vent Cover For Wall Or Ceiling - Quiet HVAC Wall Register With Multi-Shutter Damper -
Amazon.com
$66.79
Hart & Cooley 050512 FPD3 Series Steel T-Bar Fixed-Pattern Diffuser, 4-Way, 3 Cone Design, Bright White, 12
Voomi Supply
30-day returns (most items)
$66.79
Hart & Cooley 050512 FPD3 Series Steel T-Bar Fixed-Pattern Diffuser, 4-Way, 3 Cone Design, Bright White, 12
Voomi Supply
$65.11
Lithonia Dsb-48 4ft Diffuser
New Feedonomics Feed - ARC 8/12/2025
$65.11
Lithonia Dsb-48 4ft Diffuser
New Feedonomics Feed - ARC 8/12/2025
$38.20
$50.81
Zoro Select 4MJJ7 Diffuser,4-Way,Duct Size 10"
Alternativasca Online One
24% off
$38.20
$50.81
Zoro Select 4MJJ7 Diffuser,4-Way,Duct Size 10"
Alternativasca Online One
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    Shop 4-Way Diffuser

    Sponsored
    About our ads
    $165.50
    Leyso 20" White Powder Coated 4-Way Adjustable Air Diffuser For Evaporative Swamp Cooler, 22" X 22" Mounting Edge (20"X20"X6")
    Amazon.com
    $165.50
    Leyso 20" White Powder Coated 4-Way Adjustable Air Diffuser For Evaporative Swamp Cooler, 22" X 22" Mounting Edge (20"X20"X6")
    Amazon.com
    $24.82
    $26.92
    HVAC Premium 8"W X 8"H 4-Way AIR Supply Grille - Vent Cover & Diffuser - Flat Stamped Face - White [Outer Dimensions: 9.75"W X 9.75"H]
    Amazon.com
    5K+
    $24.82
    $26.92
    HVAC Premium 8"W X 8"H 4-Way AIR Supply Grille - Vent Cover & Diffuser - Flat Stamped Face - White [Outer Dimensions: 9.75"W X 9.75"H]
    Amazon.com
    $33.16
    Airtec MV4S 4-Way White Ceiling Diffuser
    Skip The Warehouse
    $33.16
    Airtec MV4S 4-Way White Ceiling Diffuser
    Skip The Warehouse
    $220.00
    Equipmentblvd 20" Stainless Steel 4-Way Adjustable Air Diffuser For Evaporative Swamp Cooler, 22" X 22" Mounting Edge (20"X20"X6")
    Amazon.com
    $220.00
    Equipmentblvd 20" Stainless Steel 4-Way Adjustable Air Diffuser For Evaporative Swamp Cooler, 22" X 22" Mounting Edge (20"X20"X6")
    Amazon.com
    $62.95
    Repa Market 9 X 9 Inch Neck, Square Aluminum 14 X 14 Inch Ceiling Diffuser-Industrial 4 Way Supply/Exhaust Ventilation, Air Conditioning - HVAC
    Amazon.com
    Free shipping
    $62.95
    Repa Market 9 X 9 Inch Neck, Square Aluminum 14 X 14 Inch Ceiling Diffuser-Industrial 4 Way Supply/Exhaust Ventilation, Air Conditioning - HVAC
    Amazon.com
    $78.95
    ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 18" X 18", White, L-CL 4 m 18X18
    Global Industrial
    89
    $78.95
    ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 18" X 18", White, L-CL 4 m 18X18
    Global Industrial
    $70.95
    ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 16" X 16", White, L-CL 4 m 16X16
    Global Industrial
    403
    $70.95
    ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 16" X 16", White, L-CL 4 m 16X16
    Global Industrial
    $43.95
    ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 14" X 14", White, L-CL 4 m 14X14
    Global Industrial
    108
    $43.95
    ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 14" X 14", White, L-CL 4 m 14X14
    Global Industrial
    $33.35
    Airtec MV4 4-Way White Ceiling Diffuser
    Skip The Warehouse
    $33.35
    Airtec MV4 4-Way White Ceiling Diffuser
    Skip The Warehouse
    $19.19
    1' X 1' White Plastic 4-Way, Grille Only, GR4 Airtec
    1800ceiling.com
    5
    $19.19
    1' X 1' White Plastic 4-Way, Grille Only, GR4 Airtec
    1800ceiling.com
    $52.15
    $69.53
    HVAC Premium 12''W X 12''H 4-Way AIR Supply Grille - Vent Cover & Diffuser - Flat Stamped Face - White [Outer Dimensions: 13.75''W X 13.75''H]
    Amazon.com
    6K+
    Free shipping
    24% off
    $52.15
    $69.53
    HVAC Premium 12''W X 12''H 4-Way AIR Supply Grille - Vent Cover & Diffuser - Flat Stamped Face - White [Outer Dimensions: 13.75''W X 13.75''H]
    Amazon.com
    $44.13
    1'X1' Square Standard 4-Way Plastic Air Vent Rectorseal
    1800ceiling.com
    $44.13
    1'X1' Square Standard 4-Way Plastic Air Vent Rectorseal
    1800ceiling.com
    $39.66
    HVAC Premium 8''W X 8''H 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser - Full Control Vertical/Horizontal Airflow Direction - Vent
    Amazon.com
    112
    Free shipping
    $39.66
    HVAC Premium 8''W X 8''H 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser - Full Control Vertical/Horizontal Airflow Direction - Vent
    Amazon.com
    $43.52
    [2 Pack] Fits 10X10 Duct Opening 4 Way Fixed Curved Blade Air Supply Diffuser By Handua | Register Vent Cover Grill For Sidewall And Ceiling | White |
    Amazon.com
    224
    Free shipping
    $43.52
    [2 Pack] Fits 10X10 Duct Opening 4 Way Fixed Curved Blade Air Supply Diffuser By Handua | Register Vent Cover Grill For Sidewall And Ceiling | White |
    Amazon.com
    $54.99
    Hart & Cooley 8" X 8" Aluminum 4-Way Ceiling Diffuser With Multi-Shutter Damper, Durable HVAC Air Vent Cover For Balanced Airflow, White
    Amazon.com
    23
    Free shipping
    $54.99
    Hart & Cooley 8" X 8" Aluminum 4-Way Ceiling Diffuser With Multi-Shutter Damper, Durable HVAC Air Vent Cover For Balanced Airflow, White
    Amazon.com
    $47.95
    ACAMINAIRE 4-Way Fixed Core Aluminum Ceiling Diffuser, 8" X 8", White, L-JSF-4OB 8X8
    Global Industrial
    26
    $47.95
    ACAMINAIRE 4-Way Fixed Core Aluminum Ceiling Diffuser, 8" X 8", White, L-JSF-4OB 8X8
    Global Industrial
    $28.95
    ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 10" X 8", White, L-CL 4 m 10X8
    Global Industrial
    115
    $28.95
    ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 10" X 8", White, L-CL 4 m 10X8
    Global Industrial
    $27.95
    ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 8" X 8", White, L-CL 4 m 8X8
    Global Industrial
    2
    $27.95
    ACAMINAIRE 4-Way Aluminum Ceiling Diffuser, 8" X 8", White, L-CL 4 m 8X8
    Global Industrial