Circular Perforated Diffuser

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$19.99

4 Inch Black Soffit Vent Cover,Louanxpert Stainless Steel Round Air Vent Cover Louvered Grille Wall Vent With Built-In Fine Mesh For Garage, Apartment

Amazon.com

$19.99

4 Inch Black Soffit Vent Cover,Louanxpert Stainless Steel Round Air Vent Cover Louvered Grille Wall Vent With Built-In Fine Mesh For Garage, Apartment

Amazon.com

$15.19

JOMIANK 20PS Round Soffit Vents, 53Mm/2'' Black Stainless Steel Circular Air Vent Mesh Hole Louver For Kitchen, Bathroom And Wardrobe

Amazon.com

$15.19

JOMIANK 20PS Round Soffit Vents, 53Mm/2'' Black Stainless Steel Circular Air Vent Mesh Hole Louver For Kitchen, Bathroom And Wardrobe

Amazon.com

$61.98

2" Round Plastic Louver Soffit Air Vent Reptile Screen Grille Cover Multiple Colors/Quantities (50, Black)

Amazon.com

378

Free shipping

$61.98

2" Round Plastic Louver Soffit Air Vent Reptile Screen Grille Cover Multiple Colors/Quantities (50, Black)

Amazon.com

378

$49.99

Vent Systems 5" Inch Opening Plastic Black Vent Cover - Pack Of 10 Round Air AC Vent Cover - Fresh Air Intake Vent With Plastic Mesh - Wall, Ceiling

Amazon.com

111

Free shipping

$49.99

Vent Systems 5" Inch Opening Plastic Black Vent Cover - Pack Of 10 Round Air AC Vent Cover - Fresh Air Intake Vent With Plastic Mesh - Wall, Ceiling

Amazon.com

111

$19.99

4 Inch Round Air Vent Cover,Louanxpert Stainless Steel White Soffit Vent Cover Louvered Grille Cover Air Vent Wall Outlet With Built-In Fine Mesh For

Amazon.com

100

$19.99

4 Inch Round Air Vent Cover,Louanxpert Stainless Steel White Soffit Vent Cover Louvered Grille Cover Air Vent Wall Outlet With Built-In Fine Mesh For

Amazon.com

100

$12.47

$15.59

ABS Adjustable Soffit Vent 6 Inch Round Air Vent White Grille Cover Fit For Bathroom, Kitchen Ventilation

Amazon.com

20% off

$12.47

$15.59

ABS Adjustable Soffit Vent 6 Inch Round Air Vent White Grille Cover Fit For Bathroom, Kitchen Ventilation

Amazon.com

$308.02

Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Surface Mount, 8 in Duct, Steel, Perforated, White Model: 4MJU8

Grainger

$308.02

Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Surface Mount, 8 in Duct, Steel, Perforated, White Model: 4MJU8

Grainger

$78.06

Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Surface Mount, 10 in Duct, Steel, Perforated, White Model: 4MJU9

Grainger

$78.06

Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Surface Mount, 10 in Duct, Steel, Perforated, White Model: 4MJU9

Grainger

$8.98

$9.98

FOCCTS 3'' Air Vent Louver, Round Air Vent ABS Louver Grille Cover White Soffit Vent With Built-In Fly Screen Mesh For Bathroom Office Kitchen

Amazon.com

371

10% off

$8.98

$9.98

FOCCTS 3'' Air Vent Louver, Round Air Vent ABS Louver Grille Cover White Soffit Vent With Built-In Fly Screen Mesh For Bathroom Office Kitchen

Amazon.com

371

$249.99

$299.99

4ft LED Direct/Indirect Grille Fixture With Steel Perforated Diffuser, 80W, 120-227V, CCT Selectable 3500K / 4000K / 5000K | Warelight By Warehouse Li

Warehouse-Lighting.com LLC

16% off

$249.99

$299.99

4ft LED Direct/Indirect Grille Fixture With Steel Perforated Diffuser, 80W, 120-227V, CCT Selectable 3500K / 4000K / 5000K | Warelight By Warehouse Li

Warehouse-Lighting.com LLC

$26.69

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"

Amazon.com

$26.69

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"

Amazon.com

$19.87

Wadoy 4 Inch Soffit Vent For Exhaust Fan With Built-In Mesh Screen, Black Round Soffit Exhaust Vent Cover 4 Pack ABS Louver Grille Cover, Eve Dryer

Amazon.com

349

$19.87

Wadoy 4 Inch Soffit Vent For Exhaust Fan With Built-In Mesh Screen, Black Round Soffit Exhaust Vent Cover 4 Pack ABS Louver Grille Cover, Eve Dryer

Amazon.com

349

$16.99

8 Inch Soffit Vent,HG Power Round Vent Cover With Built-In Screen Mesh, ABS Louver Round Air Vent Ceiling Diffuser For Exhaust Fan, Bathroom, Office

Amazon.com

1K+

$16.99

8 Inch Soffit Vent,HG Power Round Vent Cover With Built-In Screen Mesh, ABS Louver Round Air Vent Ceiling Diffuser For Exhaust Fan, Bathroom, Office

Amazon.com

1K+

$476.20

$595.20

Round Supply Ceiling Diffuser - DCF 24" / White / Steel

Advantage Mechanical Supply

19% off

$476.20

$595.20

Round Supply Ceiling Diffuser - DCF 24" / White / Steel

Advantage Mechanical Supply

$177.19

American Louver Diffusers: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, Plastic, Perforated, White [PK/5] Model: STR-PERF-2238-5PK

Grainger

$177.19

American Louver Diffusers: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, Plastic, Perforated, White [PK/5] Model: STR-PERF-2238-5PK

Grainger

$189.29

American Louver Diffusers: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, Plastic, Perforated, White [PK/5] Model: STR-PERF-2212-5PK

Grainger

$189.29

American Louver Diffusers: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, Plastic, Perforated, White [PK/5] Model: STR-PERF-2212-5PK

Grainger

$47.99

Therwen 2 Pieces 10 Inch Round Vent Cover, Ceiling Diffuser HVAC Vent Duct Cover Replacement With Screws To Install For Home Ventilation Use, Fitting

Amazon.com

Free shipping

$47.99

Therwen 2 Pieces 10 Inch Round Vent Cover, Ceiling Diffuser HVAC Vent Duct Cover Replacement With Screws To Install For Home Ventilation Use, Fitting

Amazon.com

$476.20

$595.20

Round Supply Ceiling Diffuser - DCF 24" / Metallic Gray / Steel

Advantage Mechanical Supply

19% off

$476.20

$595.20

Round Supply Ceiling Diffuser - DCF 24" / Metallic Gray / Steel

Advantage Mechanical Supply

$476.20

$595.20

Round Supply Ceiling Diffuser - DCF 24" / Black Matte / Steel

Advantage Mechanical Supply

19% off

$476.20

$595.20

Round Supply Ceiling Diffuser - DCF 24" / Black Matte / Steel

Advantage Mechanical Supply

$75.90

American Louver Diffusers: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, Plastic, Perforated, White [PK/2] Model: STR-PERF-2214-2PK

Grainger

$75.90

American Louver Diffusers: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, Plastic, Perforated, White [PK/2] Model: STR-PERF-2214-2PK

Grainger

$13.29

4 Inch Round Ceiling Diffuser, Metal Adjustable Wall Air Vent Diffuser Vent Duct Cover Exhaust Supply For Kitchen Bathroom Garage, White | Harfington

harfington

$13.29

4 Inch Round Ceiling Diffuser, Metal Adjustable Wall Air Vent Diffuser Vent Duct Cover Exhaust Supply For Kitchen Bathroom Garage, White | Harfington

harfington

$20.63

6 Inch Round Ceiling Diffuser, Metal Adjustable Wall Air Vent Diffuser Vent Duct Cover Exhaust Supply For Kitchen Bathroom Garage, White | Harfington

harfington

$20.63

6 Inch Round Ceiling Diffuser, Metal Adjustable Wall Air Vent Diffuser Vent Duct Cover Exhaust Supply For Kitchen Bathroom Garage, White | Harfington

harfington

$104.50

$130.70

DPA - Steel Perforated Face Diffuser With Insulation 14" / White / Aluminum

Advantage Mechanical Supply

20% off

$104.50

$130.70

DPA - Steel Perforated Face Diffuser With Insulation 14" / White / Aluminum

Advantage Mechanical Supply

$22.95

HBW 8" Round Ceiling Diffuser White Powder Coated With Outside Dimension Of 12" Fitting In 8" Duct

Amazon.com

$22.95

HBW 8" Round Ceiling Diffuser White Powder Coated With Outside Dimension Of 12" Fitting In 8" Duct

Amazon.com

$11.93

3 Inch Round Air Vent, Adjustable Ceiling Diffuser Grill Cover ABS Louver Soffit Vent With Screen For Bathroom Kitchen Living Room, White | Harfington

harfington

$11.93

3 Inch Round Air Vent, Adjustable Ceiling Diffuser Grill Cover ABS Louver Soffit Vent With Screen For Bathroom Kitchen Living Room, White | Harfington

harfington

$25.99

HG Power Soffit Vents 4 Inch, Aluminium Alloy Round Vent Cover, Black Louver Exhaust Vent With Built-In Screen Mesh For Exterior Under Eave, Inder/

Amazon.com

$25.99

HG Power Soffit Vents 4 Inch, Aluminium Alloy Round Vent Cover, Black Louver Exhaust Vent With Built-In Screen Mesh For Exterior Under Eave, Inder/

Amazon.com

$49.99

Therwen 2 Set 6 Inch Round Vent Cover Ceiling Diffuser HVAC Vent Duct Cover Replacement With Steel Butterfly Damper Fitting In 6 Inch Duct, Outer

Amazon.com

Free shipping

$49.99

Therwen 2 Set 6 Inch Round Vent Cover Ceiling Diffuser HVAC Vent Duct Cover Replacement With Steel Butterfly Damper Fitting In 6 Inch Duct, Outer

Amazon.com

$46.70

14 in. Round Air Diffuser

Home Depot

Free shipping

$46.70

14 in. Round Air Diffuser

Home Depot

$42.03

Airtec MV360 360 Degree Round White Ceiling Diffuser

Skip The Warehouse

$42.03

Airtec MV360 360 Degree Round White Ceiling Diffuser

Skip The Warehouse

$31.00

Truaire 800-08 Round Air Diffuser 8 Inch Round Ceiling Diffuser White

Voomi Supply

$31.00

Truaire 800-08 Round Air Diffuser 8 Inch Round Ceiling Diffuser White

Voomi Supply

$18.98

8 in. Steel Round Diffuser In White

Home Depot

Free shipping

$18.98

8 in. Steel Round Diffuser In White

Home Depot

$54.92

19 in. White Round Acrylic Diffuser

Home Depot

Free shipping

$54.92

19 in. White Round Acrylic Diffuser

Home Depot

Free shipping

$6.50

American Metal 6 in. Round Ceiling Diffuser

iverybers.com

Free shipping

$6.50

American Metal 6 in. Round Ceiling Diffuser

iverybers.com

Free shipping

$9.35

SATCO/NUVO Round White Diffuser 13 Inch Diameter Glass Globe Shade White (50-376)

Lighting Supply

$9.35

SATCO/NUVO Round White Diffuser 13 Inch Diameter Glass Globe Shade White (50-376)

Lighting Supply

$44.13

12.5" Round White Plastic Standard Air Grille Air Diffuser Bu Airtec Rectorseal

1800ceiling.com

$44.13

12.5" Round White Plastic Standard Air Grille Air Diffuser Bu Airtec Rectorseal

1800ceiling.com

$33.16

Airtec MV360S 360 Round White Ceiling Diffuser

Skip The Warehouse

$33.16

Airtec MV360S 360 Round White Ceiling Diffuser

Skip The Warehouse

Using Perforated Pipe for Drainage and Why It Makes Sense

May 25, 2022

frenchdrainman.com

Laminar Flow Diffusers with HEPA/ULPA Filters

Jun 12, 2020

terrauniversal.com