Diffuser Ceiling Vents

Uses item details. Price when purchased online

GREEN VENT Modern Air Vent Cover 10x4 (Duct Opening) - Decorative White Aluminum Linear Slot Diffuser for Wall, Ceiling From $36.79

GREEN VENT Modern Air Vent Cover 10x4 (Duct Opening) - Decorative White Aluminum Linear Slot Diffuser for Wall, Ceiling
Sponsored
From$3679

GREEN VENT Modern Air Vent Cover 10x4 (Duct Opening) - Decorative White Aluminum Linear Slot Diffuser for Wall, Ceiling

4.9 out of 5 stars
4.9 out of 5 Stars. 11 reviews

Round Air Vent Covers 6 inch Outdoor Rainproof Louver Grille for Bathroom Office Duct Ventilation Ceiling Diffuser Register Aluminium Air Outlet White 45 Degree Airflow Circular Vent 1-Pack $39.90

Round Air Vent Covers 6 inch Outdoor Rainproof Louver Grille for Bathroom Office Duct Ventilation Ceiling Diffuser Register Aluminium Air Outlet White 45 Degree Airflow Circular Vent 1-Pack
Sponsored
current price $39.90

Round Air Vent Covers 6 inch Outdoor Rainproof Louver Grille for Bathroom Office Duct Ventilation Ceiling Diffuser Register Aluminium Air Outlet White 45 Degree Airflow Circular Vent 1-Pack

Round Air Vent Cover 6 Inch [Neck Size] Circular Ceiling Diffuser for Bathroom Office Duct Ventilation HVAC Grille Register Deflector Aluminium White Air Outlet Eave Roofing Soffit Exhaust Gable Vent $36.90

Round Air Vent Cover 6 Inch [Neck Size] Circular Ceiling Diffuser for Bathroom Office Duct Ventilation HVAC Grille Register Deflector Aluminium White Air Outlet Eave Roofing Soffit Exhaust Gable Vent
Sponsored
current price $36.90

Round Air Vent Cover 6 Inch [Neck Size] Circular Ceiling Diffuser for Bathroom Office Duct Ventilation HVAC Grille Register Deflector Aluminium White Air Outlet Eave Roofing Soffit Exhaust Gable Vent

Round Air Vent Cover 8 Inch [Neck Size] Circular Ceiling Diffuser for Malls Stations Offices Duct Ventilation HVAC Grille Register Deflector Aluminium White Eave Roofing Soffit Exhaust Gable Vent $46.90

Round Air Vent Cover 8 Inch [Neck Size] Circular Ceiling Diffuser for Malls Stations Offices Duct Ventilation HVAC Grille Register Deflector Aluminium White Eave Roofing Soffit Exhaust Gable Vent
Sponsored
current price $46.90

Round Air Vent Cover 8 Inch [Neck Size] Circular Ceiling Diffuser for Malls Stations Offices Duct Ventilation HVAC Grille Register Deflector Aluminium White Eave Roofing Soffit Exhaust Gable Vent

Fits 8x6 Duct Opening 3 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grille for Sidewall and Ceiling | Black | Outer Dimensions: 9.75" X 7.75" $23.59

Fits 8x6 Duct Opening 3 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grille for Sidewall and Ceiling | Black | Outer Dimensions: 9.75" X 7.75"
current price $23.59

Fits 8x6 Duct Opening 3 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grille for Sidewall and Ceiling | Black | Outer Dimensions: 9.75" X 7.75"

Fits 8x4 Duct Opening 2 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 9.75" X 5.75" From $12.81

Fits 8x4 Duct Opening 2 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 9.75" X 5.75"
Available in additional 15 options
From$1281

Fits 8x4 Duct Opening 2 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 9.75" X 5.75"

4.2 out of 5 stars
4.2 out of 5 Stars. 11 reviews

Fits 6 Inch Neck Air Duct | Steel Round Air Supply Diffuser for Ceiling by Handua | Round Diffuser Vent Cover | Black | Outer Dimension: 9-15/16" From $19.29

Fits 6 Inch Neck Air Duct | Steel Round Air Supply Diffuser for Ceiling by Handua | Round Diffuser Vent Cover | Black | Outer Dimension: 9-15/16"
Available in additional 4 options
From$1929

Fits 6 Inch Neck Air Duct | Steel Round Air Supply Diffuser for Ceiling by Handua | Round Diffuser Vent Cover | Black | Outer Dimension: 9-15/16"

Uxcell Round Ceiling Diffuser, Metal Adjustable Wall Air Vent Diffuser Vent Duct Cover Exhaust Supply 4 Inch White From $14.89

Uxcell Round Ceiling Diffuser, Metal Adjustable Wall Air Vent Diffuser Vent Duct Cover Exhaust Supply 4 Inch White
Black, variant on Uxcell Round Ceiling Diffuser, Metal Adjustable Wall Air Vent Diffuser Vent Duct Cover Exhaust Supply 4 Inch White
White, variant on Uxcell Round Ceiling Diffuser, Metal Adjustable Wall Air Vent Diffuser Vent Duct Cover Exhaust Supply 4 Inch White
From$1489

Uxcell Round Ceiling Diffuser, Metal Adjustable Wall Air Vent Diffuser Vent Duct Cover Exhaust Supply 4 Inch White

4" Round Air Vent Ceiling Diffuser Air Supply Exhaust Ventilation Air Conditioning Duct Cover with Spring Buckle

4" Round Air Vent Ceiling Diffuser Air Supply Exhaust Ventilation Air Conditioning Duct Cover with Spring Buckle
Available in additional 2 options

4" Round Air Vent Ceiling Diffuser Air Supply Exhaust Ventilation Air Conditioning Duct Cover with Spring Buckle

Wall Mount Air Vent Cover Round ABS Louver Ceiling Diffuser Outlet, White, 3.93 inches / 10.0 cm From $7.83

Wall Mount Air Vent Cover Round ABS Louver Ceiling Diffuser Outlet, White, 3.93 inches / 10.0 cm
Available in additional 4 options
From$783

Wall Mount Air Vent Cover Round ABS Louver Ceiling Diffuser Outlet, White, 3.93 inches / 10.0 cm

JOYOAIRE 14-inch Round Aluminum Air Vent White Heating and Cooling Register Grille One Pack Ceiling Diffuser $89.90

JOYOAIRE 14-inch Round Aluminum Air Vent White Heating and Cooling Register Grille One Pack Ceiling Diffuser
Sponsored
current price $89.90

JOYOAIRE 14-inch Round Aluminum Air Vent White Heating and Cooling Register Grille One Pack Ceiling Diffuser

Round Ceiling Diffuser 4 inch Outdoor Rainproof Louver Grille for Living Room Kitchen Duct Ventilation Air Outlet Roofing Vent Aluminium Register White 45 Degree Airflow Round Vent Cover 1-Pack $29.90

Round Ceiling Diffuser 4 inch Outdoor Rainproof Louver Grille for Living Room Kitchen Duct Ventilation Air Outlet Roofing Vent Aluminium Register White 45 Degree Airflow Round Vent Cover 1-Pack
Sponsored
current price $29.90

Round Ceiling Diffuser 4 inch Outdoor Rainproof Louver Grille for Living Room Kitchen Duct Ventilation Air Outlet Roofing Vent Aluminium Register White 45 Degree Airflow Round Vent Cover 1-Pack

Fits 16x6 Duct Opening 2 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grille for Sidewall and Ceiling | White | Outer Dimensions: 17.75" X 7.75" $23.19

Fits 16x6 Duct Opening 2 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grille for Sidewall and Ceiling | White | Outer Dimensions: 17.75" X 7.75"
current price $23.19

Fits 16x6 Duct Opening 2 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grille for Sidewall and Ceiling | White | Outer Dimensions: 17.75" X 7.75"

Fits 14x6 Duct Opening 1 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 15.75" X 7.75" From $15.39

Fits 14x6 Duct Opening 1 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 15.75" X 7.75"
Available in additional 8 options
From$1539

Fits 14x6 Duct Opening 1 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 15.75" X 7.75"

4.9 out of 5 stars
4.9 out of 5 Stars. 9 reviews

Fits 10x6 Duct Opening 3 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 11.75" X 7.75" From $16.19

Fits 10x6 Duct Opening 3 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 11.75" X 7.75"
Available in additional 14 options
From$1619

Fits 10x6 Duct Opening 3 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 11.75" X 7.75"

2.2 out of 5 stars
2.2 out of 5 Stars. 5 reviews

Uxcell Square Ceiling Diffuser, Aluminum Vent Cover for HVAC System 9 x 9 Inch From $26.79

Uxcell Square Ceiling Diffuser, Aluminum Vent Cover for HVAC System 9 x 9 Inch
Available in additional 7 options
From$2679

Uxcell Square Ceiling Diffuser, Aluminum Vent Cover for HVAC System 9 x 9 Inch

Fits 6 Inch Neck Air Duct | Steel Round Air Supply Diffuser for Ceiling by Handua | Round Diffuser Vent Cover | White | Outer Dimension: 9-15/16" From $17.58

Fits 6 Inch Neck Air Duct | Steel Round Air Supply Diffuser for Ceiling by Handua | Round Diffuser Vent Cover | White | Outer Dimension: 9-15/16"
Available in additional 4 options
From$1758

Fits 6 Inch Neck Air Duct | Steel Round Air Supply Diffuser for Ceiling by Handua | Round Diffuser Vent Cover | White | Outer Dimension: 9-15/16"

5 out of 5 stars
5 out of 5 Stars. 1 reviews

Fits 8x6 Duct Opening 1 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grille for Sidewall and Ceiling | White | Outer Dimensions: 9.75" X 7.75" $15.89

Fits 8x6 Duct Opening 1 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grille for Sidewall and Ceiling | White | Outer Dimensions: 9.75" X 7.75"
current price $15.89

Fits 8x6 Duct Opening 1 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grille for Sidewall and Ceiling | White | Outer Dimensions: 9.75" X 7.75"

American Metal Products 1500W6 6" White Round Steel Ceiling Vent / Diffuser - Quantity of 1 $25.01 Was $28.89

American Metal Products 1500W6 6" White Round Steel Ceiling Vent / Diffuser - Quantity of 1
current price Now $25.01, Was $28.89

American Metal Products 1500W6 6" White Round Steel Ceiling Vent / Diffuser - Quantity of 1

Suodoka 3-Inch Round Vent Cover, ABS Plastic Adjustable Air Ventilation Ceiling Diffuser for Bathroom Bedroom Office $8.24

Suodoka 3-Inch Round Vent Cover, ABS Plastic Adjustable Air Ventilation Ceiling Diffuser for Bathroom Bedroom Office
current price $8.24

Suodoka 3-Inch Round Vent Cover, ABS Plastic Adjustable Air Ventilation Ceiling Diffuser for Bathroom Bedroom Office

8 Inch [Neck Size] Round Air Vent Cover Aluminium Alloy Double Deflection Adjustable HVAC Register for Homes Offices Duct Ventilation White Air Outlet Air Supply Grille Round Ceiling Diffuser $49.90

8 Inch [Neck Size] Round Air Vent Cover Aluminium Alloy Double Deflection Adjustable HVAC Register for Homes Offices Duct Ventilation White Air Outlet Air Supply Grille Round Ceiling Diffuser
Sponsored
current price $49.90

8 Inch [Neck Size] Round Air Vent Cover Aluminium Alloy Double Deflection Adjustable HVAC Register for Homes Offices Duct Ventilation White Air Outlet Air Supply Grille Round Ceiling Diffuser

Round Air Vent Cover 6 Inch [Neck Size] Aluminium Double Deflection Adjustable HVAC Register for Homes Offices Duct Ventilation White Air Outlet Roofing Vent Air Supply Grille Round Ceiling Diffuser $39.90

Round Air Vent Cover 6 Inch [Neck Size] Aluminium Double Deflection Adjustable HVAC Register for Homes Offices Duct Ventilation White Air Outlet Roofing Vent Air Supply Grille Round Ceiling Diffuser
Sponsored
current price $39.90

Round Air Vent Cover 6 Inch [Neck Size] Aluminium Double Deflection Adjustable HVAC Register for Homes Offices Duct Ventilation White Air Outlet Roofing Vent Air Supply Grille Round Ceiling Diffuser

Fits 12x12 Duct Opening 4 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | Black | Outer Dimensions: 13.75" X 13.75" $27.29

Fits 12x12 Duct Opening 4 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | Black | Outer Dimensions: 13.75" X 13.75"
current price $27.29

Fits 12x12 Duct Opening 4 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | Black | Outer Dimensions: 13.75" X 13.75"

WRISTBIQUE 89mm Hole Integrated Ceiling Air Diffuser Vent Cover White Abs $18.03

WRISTBIQUE 89mm Hole Integrated Ceiling Air Diffuser Vent Cover White Abs
current price $18.03

WRISTBIQUE 89mm Hole Integrated Ceiling Air Diffuser Vent Cover White Abs

DINHEAROM White ABS Round Air Vent Diffuser Ceiling Wall Cover with Spring Clip $8.73 Was $9.81

DINHEAROM White ABS Round Air Vent Diffuser Ceiling Wall Cover with Spring Clip
current price Now $8.73, Was $9.81

DINHEAROM White ABS Round Air Vent Diffuser Ceiling Wall Cover with Spring Clip

Fits 12x8 Duct Opening 1 WAY Fixed Curved Blade Air Supply Diffuser by Handua | Register Vent Cover Grille for Sidewall and Ceiling | White | Outer Dimensions: 13.75" X 9.75" $20.49

Fits 12x8 Duct Opening 1 WAY Fixed Curved Blade Air Supply Diffuser by Handua | Register Vent Cover Grille for Sidewall and Ceiling | White | Outer Dimensions: 13.75" X 9.75"
current price $20.49

Fits 12x8 Duct Opening 1 WAY Fixed Curved Blade Air Supply Diffuser by Handua | Register Vent Cover Grille for Sidewall and Ceiling | White | Outer Dimensions: 13.75" X 9.75"

Texas Buildmart 10x6 Modern AC Vent Cover - Decorative White Air Vent Linear Slot Diffuser for Ceiling, Walls, Floors $46.99

Texas Buildmart 10x6 Modern AC Vent Cover - Decorative White Air Vent Linear Slot Diffuser for Ceiling, Walls, Floors
current price $46.99

Texas Buildmart 10x6 Modern AC Vent Cover - Decorative White Air Vent Linear Slot Diffuser for Ceiling, Walls, Floors

4.5 out of 5 stars
4.5 out of 5 Stars. 4 reviews

Fits 6 Inch Neck Air Duct | Steel Round Air Supply Diffuser for Ceiling by Handua | 8" Neck Steel Butterfly Damper&Handle Included | Round Diffuser Vent Cover | White | Outer Dimension: 9-15/16" From $31.88

Fits 6 Inch Neck Air Duct | Steel Round Air Supply Diffuser for Ceiling by Handua | 8" Neck Steel Butterfly Damper&Handle Included | Round Diffuser Vent Cover | White | Outer Dimension: 9-15/16"
Available in additional 4 options
From$3188

Fits 6 Inch Neck Air Duct | Steel Round Air Supply Diffuser for Ceiling by Handua | 8" Neck Steel Butterfly Damper&Handle Included | Round Diffuser Vent Cover | White | Outer Dimension: 9-15/16"

BUILDMART - 12x6 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart $49.99

BUILDMART - 12x6 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart
current price $49.99

BUILDMART - 12x6 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart

5 out of 5 stars
5 out of 5 Stars. 2 reviews

16x16 4-Way Air Supply Diffuser, Sidewall and Ceiling Vent Cover Grille $78.19

16x16 4-Way Air Supply Diffuser, Sidewall and Ceiling Vent Cover Grille
current price $78.19

16x16 4-Way Air Supply Diffuser, Sidewall and Ceiling Vent Cover Grille

12 Inch [Neck Size] Round Ceiling Diffuser for Malls Airports Offices Duct Ventilation Circular HVAC Register Deflector Aluminium White Roofing Soffit Exhaust Gable Grille Round Air Vent Cover $66.90

12 Inch [Neck Size] Round Ceiling Diffuser for Malls Airports Offices Duct Ventilation Circular HVAC Register Deflector Aluminium White Roofing Soffit Exhaust Gable Grille Round Air Vent Cover
Sponsored
current price $66.90

12 Inch [Neck Size] Round Ceiling Diffuser for Malls Airports Offices Duct Ventilation Circular HVAC Register Deflector Aluminium White Roofing Soffit Exhaust Gable Grille Round Air Vent Cover

12 inch Round Ceiling Diffuser Outdoor Rainproof Louver Grille for Ceiling Walls & Ventilation Duct Air Outlet Roofing Vent Aluminium Register White 45 Degree Airflow Round Air Vent Covers 1-Pack $69.90

12 inch Round Ceiling Diffuser Outdoor Rainproof Louver Grille for Ceiling Walls & Ventilation Duct Air Outlet Roofing Vent Aluminium Register White 45 Degree Airflow Round Air Vent Covers 1-Pack
Sponsored
current price $69.90

12 inch Round Ceiling Diffuser Outdoor Rainproof Louver Grille for Ceiling Walls & Ventilation Duct Air Outlet Roofing Vent Aluminium Register White 45 Degree Airflow Round Air Vent Covers 1-Pack

BUILDMART - 14x14 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart $109.99

BUILDMART - 14x14 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart
current price $109.99

BUILDMART - 14x14 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart

5 out of 5 stars
5 out of 5 Stars. 1 reviews

Clearance, Deflecto TFG6 Six-Inch Suspended Ceiling Diffuser Piece $15.19 Was $16.99

Clearance
Deflecto TFG6 Six-Inch Suspended Ceiling Diffuser Piece
current price Now $15.19, Was $16.99

Deflecto TFG6 Six-Inch Suspended Ceiling Diffuser Piece

4.6 out of 5 stars
4.6 out of 5 Stars. 7 reviews

GREEN VENT Modern Air Vent Cover 10x6 (Duct Opening) - Decorative White Aluminum Linear Slot Diffuser for Wall, Ceiling From $36.79

GREEN VENT Modern Air Vent Cover 10x6 (Duct Opening) - Decorative White Aluminum Linear Slot Diffuser for Wall, Ceiling
Available in additional 4 options
From$3679

GREEN VENT Modern Air Vent Cover 10x6 (Duct Opening) - Decorative White Aluminum Linear Slot Diffuser for Wall, Ceiling

4.9 out of 5 stars
4.9 out of 5 Stars. 11 reviews

Fits 14x8 Duct Opening 3 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | Black | Outer Dimensions: 15.75" X 9.75" $25.89 Was $29.29

Fits 14x8 Duct Opening 3 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | Black | Outer Dimensions: 15.75" X 9.75"
current price Now $25.89, Was $29.29

Fits 14x8 Duct Opening 3 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | Black | Outer Dimensions: 15.75" X 9.75"

BUILDMART - 12x12 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart $89.99

BUILDMART - 12x12 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart
current price $89.99

BUILDMART - 12x12 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart

5 out of 5 stars
5 out of 5 Stars. 2 reviews

8" x 26" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 9.75w X 27.75" h] $47.99

8" x 26" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 9.75w X 27.75" h]
current price $47.99

8" x 26" Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover Diffuser - [White] [Outer Dimensions: 9.75w X 27.75" h]

Hart & Cooley 6 in Round Butterfly Damper for T-Bar Ceiling Diffuser Vent, Golden Sand $20.99

Hart & Cooley 6 in Round Butterfly Damper for T-Bar Ceiling Diffuser Vent, Golden Sand
current price $20.99

Hart & Cooley 6 in Round Butterfly Damper for T-Bar Ceiling Diffuser Vent, Golden Sand

Uxcell 8 Inch Round Air Vent, Adjustable Ceiling Diffuser Grill Cover ABS Louver Soffit Vent with Screen White $26.89

Uxcell 8 Inch Round Air Vent, Adjustable Ceiling Diffuser Grill Cover ABS Louver Soffit Vent with Screen White
current price $26.89

Uxcell 8 Inch Round Air Vent, Adjustable Ceiling Diffuser Grill Cover ABS Louver Soffit Vent with Screen White

5 out of 5 stars
5 out of 5 Stars. 1 reviews

Hart & Cooley 16 Series - 10" Round Ceiling Diffuser (# 1610) $36.99

Hart & Cooley 16 Series - 10" Round Ceiling Diffuser (# 1610)
current price $36.99

Hart & Cooley 16 Series - 10" Round Ceiling Diffuser (# 1610)

1 out of 5 stars
1 out of 5 Stars. 2 reviews

Fits 8x8 Duct Opening 4 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grille for Sidewall and Ceiling | Black | Out Dim: 9.75" X 9.75" $19.89

Fits 8x8 Duct Opening 4 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grille for Sidewall and Ceiling | Black | Out Dim: 9.75" X 9.75"
current price $19.89

Fits 8x8 Duct Opening 4 WAY Steel Air Supply Diffuser by Handua | Register Vent Cover Grille for Sidewall and Ceiling | Black | Out Dim: 9.75" X 9.75"

BUILDMART - 10x8 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart $57.99

BUILDMART - 10x8 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart
current price $57.99

BUILDMART - 10x8 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart

5 out of 5 stars
5 out of 5 Stars. 1 reviews

Fits 10x8 Duct Opening 3 WAY Fixed Curved Blade Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 11.75" X 9.75" From $17.79

Fits 10x8 Duct Opening 3 WAY Fixed Curved Blade Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 11.75" X 9.75"
Available in additional 9 options
From$1779

Fits 10x8 Duct Opening 3 WAY Fixed Curved Blade Air Supply Diffuser by Handua | Register Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 11.75" X 9.75"

3 out of 5 stars
3 out of 5 Stars. 2 reviews

BUILDMART - 12x8 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart $63.99

BUILDMART - 12x8 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart
current price $63.99

BUILDMART - 12x8 Modern AC Vent Cover - Decorative White Air Vent - Standard Linear Slot Diffuser - Register Grille for Ceiling, Walls & Floors - Texas Buildmart

Uxcell 1Set 4 Inch Round Ceiling Diffuser, 304 Stainless Steel Adjustable Wall Air Vent Diffuser Vent Duct Cover Exhaust Supply for Kitchen Bathroom Garage, White $24.49

Uxcell 1Set 4 Inch Round Ceiling Diffuser, 304 Stainless Steel Adjustable Wall Air Vent Diffuser Vent Duct Cover Exhaust Supply for Kitchen Bathroom Garage, White
current price $24.49

Uxcell 1Set 4 Inch Round Ceiling Diffuser, 304 Stainless Steel Adjustable Wall Air Vent Diffuser Vent Duct Cover Exhaust Supply for Kitchen Bathroom Garage, White

Uxcell 18" x 18" Adjustable Air Supply Diffuser, Aluminum Double Deflection HVAC Vent Cover Air Vent Register for Sidewall Wall Ceiling Floor HVAC System, White From $40.84

Uxcell 18" x 18" Adjustable Air Supply Diffuser, Aluminum Double Deflection HVAC Vent Cover Air Vent Register for Sidewall Wall Ceiling Floor HVAC System, White
Available in additional 3 options
From$4084

Uxcell 18" x 18" Adjustable Air Supply Diffuser, Aluminum Double Deflection HVAC Vent Cover Air Vent Register for Sidewall Wall Ceiling Floor HVAC System, White

Fits 12x12 Duct Opening 2 WAY Aluminum Square Ceiling Diffuser by Handua | Register Vent Cover Grille for Ceiling | Rust Proof | White | Out Dim: 13.75" X 13.75" $52.79

Fits 12x12 Duct Opening 2 WAY Aluminum Square Ceiling Diffuser by Handua | Register Vent Cover Grille for Ceiling | Rust Proof | White | Out Dim: 13.75" X 13.75"
current price $52.79

Fits 12x12 Duct Opening 2 WAY Aluminum Square Ceiling Diffuser by Handua | Register Vent Cover Grille for Ceiling | Rust Proof | White | Out Dim: 13.75" X 13.75"

Clearance, NIYANGLE Recessed Ceiling Air Diffuser, White ABS Vent Cover with Adjustable Grille for Ventilation, Home and Office Use $12.02 Was $13.51

Clearance
NIYANGLE Recessed Ceiling Air Diffuser, White ABS Vent Cover with Adjustable Grille for Ventilation, Home and Office Use
current price Now $12.02, Was $13.51

NIYANGLE Recessed Ceiling Air Diffuser, White ABS Vent Cover with Adjustable Grille for Ventilation, Home and Office Use

Duct Outlet 10" x 10" Ceiling Box, w/ 10" Round Collar - Connects Register Vent and Diffuser HVAC From $23.99

Duct Outlet 10" x 10" Ceiling Box, w/ 10" Round Collar - Connects Register Vent and Diffuser HVAC
Available in additional 14 options
From$2399

Duct Outlet 10" x 10" Ceiling Box, w/ 10" Round Collar - Connects Register Vent and Diffuser HVAC

4.4 out of 5 stars
4.4 out of 5 Stars. 16 reviews

FAQ

How do I pick the right size ceiling diffuser?

Choosing the right size ceiling diffuser depends on your duct opening and the airflow needs of your space. Measure the neck size of your duct (the diameter or dimensions where the diffuser will be installed) and match it to the product specifications. If you're unsure, check the product details for compatible duct sizes.

  • For round diffusers, look for the listed neck diameter.
  • For square or rectangular diffusers, match the length and width to your duct opening.
Picking the correct size helps ensure efficient air distribution and a proper fit.

Can I use these diffusers in my home and office?

Yes, diffuser ceiling vents are designed for both residential and commercial spaces. They're suitable for homes, offices, and other indoor areas where you want to improve air circulation and ventilation. Many models are adjustable, so you can direct airflow as needed. Just make sure the diffuser matches your duct size and installation requirements.

  • Aluminum and steel options offer durability for frequent use.
  • White finishes blend well with most ceilings.
Always follow installation instructions for safe and effective use.

How do I clean a ceiling vent diffuser?

Keeping your ceiling vent diffuser clean helps maintain good air quality.

  1. Turn off your HVAC system before cleaning.
  2. Use a step ladder to reach the diffuser safely.
  3. Remove the diffuser if possible, or gently dust it with a microfiber cloth.
  4. For deeper cleaning, wash with mild soap and water, then dry thoroughly before reinstalling.
Avoid harsh chemicals or abrasive tools, as these can damage the finish. Regular cleaning can help prevent dust buildup and keep your vents working efficiently.

Are these diffusers adjustable for airflow direction?

Many ceiling diffusers available on this page feature double deflection adjustable blades, allowing you to control the direction of airflow. This means you can customize how air is distributed in your room.

  • Adjustable models let you change the angle of the blades for targeted ventilation.
  • Some diffusers are fixed, offering a set airflow pattern.
Check the product description to see if the diffuser is adjustable or fixed, so you can choose the best option for your needs.

Can I find replacement vent covers at Walmart?

Absolutely! Walmart offers a variety of replacement vent covers and diffusers for different duct sizes and shapes.

  • Browse the selection to find round, square, or rectangular options.
  • Look for the size that matches your existing duct opening.
Replacement covers are available in packs or as single units, making it easy to update or refresh your ventilation system. If you need help finding the right fit, check the product details or reach out to customer support for guidance.

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