Shop Ceiling Grid Diffuser

Sponsored
About our ads
$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
255
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
255
$58.00
Havaco 2'X2' Lay-In 3 Cone Supply With 12" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
Amazon.com
8
Free shipping
$58.00
Havaco 2'X2' Lay-In 3 Cone Supply With 12" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
Amazon.com
8
$53.20
$66.50
RPEP - Steel Perforated Ceiling Diffuser/Return W Polifoam Metallic Gray
Advantage Mechanical Supply
19% off
$53.20
$66.50
RPEP - Steel Perforated Ceiling Diffuser/Return W Polifoam Metallic Gray
Advantage Mechanical Supply
$91.95
American Louver Stratus Plastic Cone Diffuser, Ceiling, 10", R6 Insulated, White, STR-C-10W-R6
Global Industrial
1
$91.95
American Louver Stratus Plastic Cone Diffuser, Ceiling, 10", R6 Insulated, White, STR-C-10W-R6
Global Industrial
1
$20.09
$46.34
Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
Amazon.com
154
56% off
$20.09
$46.34
Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
Amazon.com
154
$184.99
KASTLITE Chrome Egg Crate Fluorescent Light Covers - 23 5/8" X 47 5/8" Polystyrene Drop Ceiling Grid Diffuser & HVAC Air Vent Grille - 1/2"X1/2"X3/8"
Amazon.com
83
Free shipping
$184.99
KASTLITE Chrome Egg Crate Fluorescent Light Covers - 23 5/8" X 47 5/8" Polystyrene Drop Ceiling Grid Diffuser & HVAC Air Vent Grille - 1/2"X1/2"X3/8"
Amazon.com
83
$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
261
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
261
$91.60
$114.50
Round Supply Ceiling Diffuser - DCF 06" / White / Aluminum
Advantage Mechanical Supply
20% off
$91.60
$114.50
Round Supply Ceiling Diffuser - DCF 06" / White / Aluminum
Advantage Mechanical Supply
$179.99
Fluorolite Plastics| Egg Crate Panel | Ceiling Diffuser | Polystyrene| Color -White | Nominal 24" X 48" With 1/2" X 1/2" X 3/8" Cell Size | 6 Pack
Amazon.com
9
Free shipping
$179.99
Fluorolite Plastics| Egg Crate Panel | Ceiling Diffuser | Polystyrene| Color -White | Nominal 24" X 48" With 1/2" X 1/2" X 3/8" Cell Size | 6 Pack
Amazon.com
9
$69.99
$99.99
BUILDMART - 48" White Linear Slot Diffuser - 1 Slot - Single Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
30% off
$69.99
$99.99
BUILDMART - 48" White Linear Slot Diffuser - 1 Slot - Single Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
$69.00
Havaco 2'X2' Louver Return Grille With Filter Grid, ABS Plastic Lay-In Return With Cut-Away Bulls Eye Back, 6"-16" Inlet Opening, Ceiling Diffuser
Amazon.com
13
Free shipping
$69.00
Havaco 2'X2' Louver Return Grille With Filter Grid, ABS Plastic Lay-In Return With Cut-Away Bulls Eye Back, 6"-16" Inlet Opening, Ceiling Diffuser
Amazon.com
13
$71.90
$77.03
Aclaminaire 16-In X 16-In 4-Way Aluminum Ceiling Diffuser In White | L-CL 4 m 16X16
Lowe's
463
$71.90
$77.03
Aclaminaire 16-In X 16-In 4-Way Aluminum Ceiling Diffuser In White | L-CL 4 m 16X16
Lowe's
463
$108.30
$135.40
Round Supply Ceiling Diffuser - DCF 08" / Black Matte / Aluminum
Advantage Mechanical Supply
20% off
$108.30
$135.40
Round Supply Ceiling Diffuser - DCF 08" / Black Matte / Aluminum
Advantage Mechanical Supply
$79.99
$99.99
BUILDMART - 36" White Linear Slot Diffuser - 2 Slot - Double Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
20% off
$79.99
$99.99
BUILDMART - 36" White Linear Slot Diffuser - 2 Slot - Double Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
$79.99
$89.99
BUILDMART - 12X12 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
11% off
$79.99
$89.99
BUILDMART - 12X12 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
$99.50
$124.40
Round Supply Ceiling Diffuser - DCF 08" / Metallic Gray / Steel
Advantage Mechanical Supply
20% off
$99.50
$124.40
Round Supply Ceiling Diffuser - DCF 08" / Metallic Gray / Steel
Advantage Mechanical Supply
$65.95
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
$65.95
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
$69.99
$89.99
BUILDMART - 18" MUD-In Linear Slot Diffuser - 3 Slot - Air Vent Cover - Drywall MUD IN White Air Vent - MUD Linear Slot Diffuser - Register Grille For Ceiling And Walls - Texas Buildmart
Linear Slot Diffusers
22% off
$69.99
$89.99
BUILDMART - 18" MUD-In Linear Slot Diffuser - 3 Slot - Air Vent Cover - Drywall MUD IN White Air Vent - MUD Linear Slot Diffuser - Register Grille For Ceiling And Walls - Texas Buildmart
Linear Slot Diffusers
$34.12
$37.92
10"W X 6"H Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling - Grille Register - High Airflow - Black [Outer Dimensions: 11.75"W X
Amazon.com
102
10% off
$34.12
$37.92
10"W X 6"H Adjustable AIR Supply Diffuser - HVAC Vent Cover Sidewall Or Ceiling - Grille Register - High Airflow - Black [Outer Dimensions: 11.75"W X
Amazon.com
102
$37.82
Elima-Draft 13-In X 13-In Step-Down ABS Resin Ceiling Diffuser In White | ELMDFT13A3303
Lowe's
3
$37.82
Elima-Draft 13-In X 13-In Step-Down ABS Resin Ceiling Diffuser In White | ELMDFT13A3303
Lowe's
3
$67.98
RELIABILT 24-In X 24-In 1-Way Steel Ceiling Diffuser In White | 8542424R6
Lowe's
$67.98
RELIABILT 24-In X 24-In 1-Way Steel Ceiling Diffuser In White | 8542424R6
Lowe's
$59.99
$79.99
BUILDMART - 24" Mud-In Linear Slot Diffuser - 2 Slot - Air Vent Cover - Drywall MUD IN White Air Vent - MUD Linear Slot Diffuser - Register Grille For Ceiling And Walls - Texas Buildmart
Linear Slot Diffusers
25% off
$59.99
$79.99
BUILDMART - 24" Mud-In Linear Slot Diffuser - 2 Slot - Air Vent Cover - Drywall MUD IN White Air Vent - MUD Linear Slot Diffuser - Register Grille For Ceiling And Walls - Texas Buildmart
Linear Slot Diffusers
$78.70
$98.40
Ceiling Lay-In Modular Diffuser 24X24 With 2 Plates And Insulation - DP2 08" / White / Steel
Advantage Mechanical Supply
20% off
$78.70
$98.40
Ceiling Lay-In Modular Diffuser 24X24 With 2 Plates And Insulation - DP2 08" / White / Steel
Advantage Mechanical Supply
$47.98
RELIABILT 24-In X 24-In 3-Cone Steel Ceiling Diffuser In White | 86208IC
Lowe's
$47.98
RELIABILT 24-In X 24-In 3-Cone Steel Ceiling Diffuser In White | 86208IC
Lowe's
$33.95
American Louver Square Ceiling Vent Air Diverter, For 2' X 2' T-Grid Diffusers, White, STR-ADS-W
Global Industrial
$33.95
American Louver Square Ceiling Vent Air Diverter, For 2' X 2' T-Grid Diffusers, White, STR-ADS-W
Global Industrial
$99.99
$119.99
BUILDMART - 48" MUD-In Linear Slot Diffuser - 2 Slot - Air Vent Cover - Drywall MUD IN White Air Vent - MUD Linear Slot Diffuser - Register Grille For Ceiling And Walls - Texas Buildmart
Linear Slot Diffusers
16% off
$99.99
$119.99
BUILDMART - 48" MUD-In Linear Slot Diffuser - 2 Slot - Air Vent Cover - Drywall MUD IN White Air Vent - MUD Linear Slot Diffuser - Register Grille For Ceiling And Walls - Texas Buildmart
Linear Slot Diffusers
$69.99
$99.99
BUILDMART - 48" Black Linear Slot Diffuser - 1 Slot - Single Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
30% off
$69.99
$99.99
BUILDMART - 48" Black Linear Slot Diffuser - 1 Slot - Single Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
$60.98
RELIABILT 24-In X 24-In 2-Cone Steel Ceiling Diffuser In White | 85208CW
Lowe's
$60.98
RELIABILT 24-In X 24-In 2-Cone Steel Ceiling Diffuser In White | 85208CW
Lowe's
$79.99
$119.99
BUILDMART - 60" Black Linear Slot Diffuser - 1 Slot - Single Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
33% off
$79.99
$119.99
BUILDMART - 60" Black Linear Slot Diffuser - 1 Slot - Single Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
$79.99
$99.99
BUILDMART - 24" Mud-In Linear Slot Diffuser - 3 Slot - Air Vent Cover - Drywall MUD IN White Air Vent - MUD Linear Slot Diffuser - Register Grille For Ceiling And Walls - Texas Buildmart
Linear Slot Diffusers
20% off
$79.99
$99.99
BUILDMART - 24" Mud-In Linear Slot Diffuser - 3 Slot - Air Vent Cover - Drywall MUD IN White Air Vent - MUD Linear Slot Diffuser - Register Grille For Ceiling And Walls - Texas Buildmart
Linear Slot Diffusers
$18.53
Sierra Grates Sidewall & Ceiling Register 10X4 | Steel 2-Way Adjustable Air Supply Diffuser Grille For Sidewall & Ceiling | Air Vents For Ceiling |
Amazon.com
124
$18.53
Sierra Grates Sidewall & Ceiling Register 10X4 | Steel 2-Way Adjustable Air Supply Diffuser Grille For Sidewall & Ceiling | Air Vents For Ceiling |
Amazon.com
124
$179.99
$219.99
BUILDMART - 72" White Linear Slot Diffuser - 3 Slot - Triple Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
18% off
$179.99
$219.99
BUILDMART - 72" White Linear Slot Diffuser - 3 Slot - Triple Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
$99.99
$139.99
BUILDMART - 72" Mud-In Linear Slot Diffuser - 1 Slot - Air Vent Cover - Drywall MUD IN White Air Vent - MUD Linear Slot Diffuser - Register Grille For Ceiling And Walls - Texas Buildmart
Linear Slot Diffusers
28% off
$99.99
$139.99
BUILDMART - 72" Mud-In Linear Slot Diffuser - 1 Slot - Air Vent Cover - Drywall MUD IN White Air Vent - MUD Linear Slot Diffuser - Register Grille For Ceiling And Walls - Texas Buildmart
Linear Slot Diffusers
$99.95
Elima-Draft Commercial 4-Way Magnetic Diffuser Cover 24" X 24", Fits 1" Drop Ceiling Grid Systems, ELMDFTCOM4DEF4240
Global Industrial
9
$99.95
Elima-Draft Commercial 4-Way Magnetic Diffuser Cover 24" X 24", Fits 1" Drop Ceiling Grid Systems, ELMDFTCOM4DEF4240
Global Industrial
9
$37.90
Aclaminaire 4-In X 14-In 1-Way Aluminum Ceiling Diffuser In White | L-CL 1 m 14X4
Lowe's
$37.90
Aclaminaire 4-In X 14-In 1-Way Aluminum Ceiling Diffuser In White | L-CL 1 m 14X4
Lowe's
$35.78
Rectorseal Truaire Retrofit Grille/Damper MV3 81913 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 3 Way
Amazon.com
144
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
144
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    Shop Ceiling Grid Diffuser

    Sponsored
    About our ads
    $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
    255
    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
    255
    $58.00
    Havaco 2'X2' Lay-In 3 Cone Supply With 12" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
    Amazon.com
    8
    Free shipping
    $58.00
    Havaco 2'X2' Lay-In 3 Cone Supply With 12" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
    Amazon.com
    8
    $53.20
    $66.50
    RPEP - Steel Perforated Ceiling Diffuser/Return W Polifoam Metallic Gray
    Advantage Mechanical Supply
    19% off
    $53.20
    $66.50
    RPEP - Steel Perforated Ceiling Diffuser/Return W Polifoam Metallic Gray
    Advantage Mechanical Supply
    $91.95
    American Louver Stratus Plastic Cone Diffuser, Ceiling, 10", R6 Insulated, White, STR-C-10W-R6
    Global Industrial
    1
    $91.95
    American Louver Stratus Plastic Cone Diffuser, Ceiling, 10", R6 Insulated, White, STR-C-10W-R6
    Global Industrial
    1
    $20.09
    $46.34
    Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
    Amazon.com
    154
    56% off
    $20.09
    $46.34
    Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
    Amazon.com
    154
    $184.99
    KASTLITE Chrome Egg Crate Fluorescent Light Covers - 23 5/8" X 47 5/8" Polystyrene Drop Ceiling Grid Diffuser & HVAC Air Vent Grille - 1/2"X1/2"X3/8"
    Amazon.com
    83
    Free shipping
    $184.99
    KASTLITE Chrome Egg Crate Fluorescent Light Covers - 23 5/8" X 47 5/8" Polystyrene Drop Ceiling Grid Diffuser & HVAC Air Vent Grille - 1/2"X1/2"X3/8"
    Amazon.com
    83
    $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
    261
    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
    261
    $91.60
    $114.50
    Round Supply Ceiling Diffuser - DCF 06" / White / Aluminum
    Advantage Mechanical Supply
    20% off
    $91.60
    $114.50
    Round Supply Ceiling Diffuser - DCF 06" / White / Aluminum
    Advantage Mechanical Supply
    $179.99
    Fluorolite Plastics| Egg Crate Panel | Ceiling Diffuser | Polystyrene| Color -White | Nominal 24" X 48" With 1/2" X 1/2" X 3/8" Cell Size | 6 Pack
    Amazon.com
    9
    Free shipping
    $179.99
    Fluorolite Plastics| Egg Crate Panel | Ceiling Diffuser | Polystyrene| Color -White | Nominal 24" X 48" With 1/2" X 1/2" X 3/8" Cell Size | 6 Pack
    Amazon.com
    9
    $69.99
    $99.99
    BUILDMART - 48" White Linear Slot Diffuser - 1 Slot - Single Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
    Linear Slot Diffusers
    30% off
    $69.99
    $99.99
    BUILDMART - 48" White Linear Slot Diffuser - 1 Slot - Single Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
    Linear Slot Diffusers
    $69.00
    Havaco 2'X2' Louver Return Grille With Filter Grid, ABS Plastic Lay-In Return With Cut-Away Bulls Eye Back, 6"-16" Inlet Opening, Ceiling Diffuser
    Amazon.com
    13
    Free shipping
    $69.00
    Havaco 2'X2' Louver Return Grille With Filter Grid, ABS Plastic Lay-In Return With Cut-Away Bulls Eye Back, 6"-16" Inlet Opening, Ceiling Diffuser
    Amazon.com
    13
    $71.90
    $77.03
    Aclaminaire 16-In X 16-In 4-Way Aluminum Ceiling Diffuser In White | L-CL 4 m 16X16
    Lowe's
    463
    $71.90
    $77.03
    Aclaminaire 16-In X 16-In 4-Way Aluminum Ceiling Diffuser In White | L-CL 4 m 16X16
    Lowe's
    463
    $108.30
    $135.40
    Round Supply Ceiling Diffuser - DCF 08" / Black Matte / Aluminum
    Advantage Mechanical Supply
    20% off
    $108.30
    $135.40
    Round Supply Ceiling Diffuser - DCF 08" / Black Matte / Aluminum
    Advantage Mechanical Supply
    $79.99
    $99.99
    BUILDMART - 36" White Linear Slot Diffuser - 2 Slot - Double Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
    Linear Slot Diffusers
    20% off
    $79.99
    $99.99
    BUILDMART - 36" White Linear Slot Diffuser - 2 Slot - Double Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
    Linear Slot Diffusers
    $79.99
    $89.99
    BUILDMART - 12X12 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
    Linear Slot Diffusers
    11% off
    $79.99
    $89.99
    BUILDMART - 12X12 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
    Linear Slot Diffusers
    $99.50
    $124.40
    Round Supply Ceiling Diffuser - DCF 08" / Metallic Gray / Steel
    Advantage Mechanical Supply
    20% off
    $99.50
    $124.40
    Round Supply Ceiling Diffuser - DCF 08" / Metallic Gray / Steel
    Advantage Mechanical Supply
    $65.95
    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
    $65.95
    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
    $69.99
    $89.99
    BUILDMART - 18" MUD-In Linear Slot Diffuser - 3 Slot - Air Vent Cover - Drywall MUD IN White Air Vent - MUD Linear Slot Diffuser - Register Grille For Ceiling And Walls - Texas Buildmart
    Linear Slot Diffusers
    22% off
    $69.99
    $89.99
    BUILDMART - 18" MUD-In Linear Slot Diffuser - 3 Slot - Air Vent Cover - Drywall MUD IN White Air Vent - MUD Linear Slot Diffuser - Register Grille For Ceiling And Walls - Texas Buildmart
    Linear Slot Diffusers