Shop AC Duct Diffuser

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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
$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
$58.00
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
Amazon.com
242
Free shipping
$58.00
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
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
$59.10
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
$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
$20.08
$46.34
Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
Amazon.com
202
56% off
$20.08
$46.34
Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
Amazon.com
$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
$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
$42.83
Diffuser: Ceiling/Wall, 11 in H, 11 in W, Surface Mount, 8 in Duct, Aluminum, 3-Way Louvered, White Model: 4MJJ3
Grainger
$42.83
Diffuser: Ceiling/Wall, 11 in H, 11 in W, Surface Mount, 8 in Duct, Aluminum, 3-Way Louvered, White Model: 4MJJ3
Grainger
$52.25
HVAC Premium 14''W X 4''H Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling - Grille Register - High Airflow - White [Outer
Amazon.com
1
Free shipping
$52.25
HVAC Premium 14''W X 4''H Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling - Grille Register - High Airflow - White [Outer
Amazon.com
$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
$39.99
$49.99
BUILDMART - 12X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Texas Buildmart
26
20% off
$39.99
$49.99
BUILDMART - 12X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Texas Buildmart
$38.07
Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling - Grille
Amazon.com
235
Free shipping
$38.07
Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling - Grille
Amazon.com
$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
$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
$13.98
EZ-FLO 8 X 4 Inch Three-Way Ventilation Steel Sidewall/Ceiling Register, Steel Duct Opening, 61658
Amazon.com
274
$13.98
EZ-FLO 8 X 4 Inch Three-Way Ventilation Steel Sidewall/Ceiling Register, Steel Duct Opening, 61658
Amazon.com
$39.99
$49.99
BUILDMART - 12X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
26
20% off
$39.99
$49.99
BUILDMART - 12X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
$15.95
Three-Way Plastic Side Wall/Ceiling Register In White 14"W X 6"H For Duct Opening (Outside Dimension Is 15.75"W X 8"H)
Amazon.com
303
$15.95
Three-Way Plastic Side Wall/Ceiling Register In White 14"W X 6"H For Duct Opening (Outside Dimension Is 15.75"W X 8"H)
Amazon.com
$29.99
$36.99
BUILDMART - 8X4 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Texas Buildmart
18% off
$29.99
$36.99
BUILDMART - 8X4 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Texas Buildmart
$35.78
Rectorseal Truaire Retrofit Grille/Damper MV3 81913 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 3 Way
Amazon.com
122
Free shipping
$35.78
Rectorseal Truaire Retrofit Grille/Damper MV3 81913 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 3 Way
Amazon.com
$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
$58.00
Havaco 2'X2' Lay-In 3 Cone Supply With 6" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
Amazon.com
236
Free shipping
$58.00
Havaco 2'X2' Lay-In 3 Cone Supply With 6" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
Amazon.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
$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
$74.99
BUILDMART - 24" Linear Slot Diffuser - (2 Slot) Double Slot - White Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas
Amazon.com
84
Free shipping
$74.99
BUILDMART - 24" Linear Slot Diffuser - (2 Slot) Double Slot - White Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas
Amazon.com
$17.95
HBW Four-Way Plastic Side Wall/Ceiling Register In White 12" W X 12" H For Duct Opening (Outside Dimension Is 14" W X 14" H)
Amazon.com
100
$17.95
HBW Four-Way Plastic Side Wall/Ceiling Register In White 12" W X 12" H For Duct Opening (Outside Dimension Is 14" W X 14" H)
Amazon.com
$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
1
$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
$29.99
$39.99
BUILDMART - 6X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Texas Buildmart
25% off
$29.99
$39.99
BUILDMART - 6X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Texas Buildmart
$49.99
$63.99
BUILDMART - 12X8 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Texas Buildmart
21% off
$49.99
$63.99
BUILDMART - 12X8 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Texas Buildmart
$81.89
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 8 in Duct, Plastic, Square Cone, White Model: STR-C-8W-FR
Grainger
7
$81.89
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 8 in Duct, Plastic, Square Cone, White Model: STR-C-8W-FR
Grainger
$99.37
Price Diffuser: Ceiling, 24 in Dia, 24 in H, 24 in W, Lay-In, 6 in Duct, Steel, Square Plaque, White Model: SPD-GR000037
Grainger
$99.37
Price Diffuser: Ceiling, 24 in Dia, 24 in H, 24 in W, Lay-In, 6 in Duct, Steel, Square Plaque, White Model: SPD-GR000037
Grainger
$70.72
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 12 in Duct, Plastic, Square Plaque, White Model: STR-PQ-12W
Grainger
1
$70.72
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 12 in Duct, Plastic, Square Plaque, White Model: STR-PQ-12W
Grainger
$58.93
Sidewall/Ceiling Register: Ceiling/Wall, 13 3/4 in H, 13 3/4 in W, Louvered, Powder Coated, White Model: 4MJL1
Grainger
3
$58.93
Sidewall/Ceiling Register: Ceiling/Wall, 13 3/4 in H, 13 3/4 in W, Louvered, Powder Coated, White Model: 4MJL1
Grainger
$29.99
$36.99
BUILDMART - 8X4 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
18% off
$29.99
$36.99
BUILDMART - 8X4 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
$29.99
$39.99
BUILDMART - 6X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
25% off
$29.99
$39.99
BUILDMART - 6X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
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    Shop AC Duct Diffuser

    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
    $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
    $58.00
    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
    Amazon.com
    242
    Free shipping
    $58.00
    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
    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
    $59.10
    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
    $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
    $20.08
    $46.34
    Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
    Amazon.com
    202
    56% off
    $20.08
    $46.34
    Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
    Amazon.com
    $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
    $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
    $42.83
    Diffuser: Ceiling/Wall, 11 in H, 11 in W, Surface Mount, 8 in Duct, Aluminum, 3-Way Louvered, White Model: 4MJJ3
    Grainger
    $42.83
    Diffuser: Ceiling/Wall, 11 in H, 11 in W, Surface Mount, 8 in Duct, Aluminum, 3-Way Louvered, White Model: 4MJJ3
    Grainger
    $52.25
    HVAC Premium 14''W X 4''H Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling - Grille Register - High Airflow - White [Outer
    Amazon.com
    1
    Free shipping
    $52.25
    HVAC Premium 14''W X 4''H Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling - Grille Register - High Airflow - White [Outer
    Amazon.com
    $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
    $39.99
    $49.99
    BUILDMART - 12X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
    Texas Buildmart
    26
    20% off
    $39.99
    $49.99
    BUILDMART - 12X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
    Texas Buildmart
    $38.07
    Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling - Grille
    Amazon.com
    235
    Free shipping
    $38.07
    Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling - Grille
    Amazon.com
    $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
    $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
    $13.98
    EZ-FLO 8 X 4 Inch Three-Way Ventilation Steel Sidewall/Ceiling Register, Steel Duct Opening, 61658
    Amazon.com
    274
    $13.98
    EZ-FLO 8 X 4 Inch Three-Way Ventilation Steel Sidewall/Ceiling Register, Steel Duct Opening, 61658
    Amazon.com
    $39.99
    $49.99
    BUILDMART - 12X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
    Linear Slot Diffusers
    26
    20% off
    $39.99
    $49.99
    BUILDMART - 12X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
    Linear Slot Diffusers