Shop circular diffuser

Sponsored
About our ads
$415.20
$519.00
Round Supply Ceiling Diffuser - DCF 20" / Black Matte / Steel
Advantage Mechanical Supply
19% off
$415.20
$519.00
Round Supply Ceiling Diffuser - DCF 20" / Black Matte / Steel
Advantage Mechanical Supply
$49.00
$61.20
Round Ceiling Jet Diffuser DCE 04" - 1 Jet / Black Matte / Aluminium
Advantage Mechanical Supply
19% off
$49.00
$61.20
Round Ceiling Jet Diffuser DCE 04" - 1 Jet / Black Matte / Aluminium
Advantage Mechanical Supply
$16.59
American Metal Products Round Ceiling Diffuser Steel White 6-In. 1500W6
DkHardware.com
2
$16.59
American Metal Products Round Ceiling Diffuser Steel White 6-In. 1500W6
DkHardware.com
$38.20
GUNDER ASSOCIATES INC 10 in. Round Ceiling Diffuser SRSD10
DkHardware.com
$38.20
GUNDER ASSOCIATES INC 10 in. Round Ceiling Diffuser SRSD10
DkHardware.com
$63.53
HVAC Premium 12'' Round Ceiling Diffuser - Easy Air Flow - HVAC Vent Duct Cover [White] - [Outer Dimensions: 16'']
Amazon.com
Free shipping
$63.53
HVAC Premium 12'' Round Ceiling Diffuser - Easy Air Flow - HVAC Vent Duct Cover [White] - [Outer Dimensions: 16'']
Amazon.com
$26.29
PATIKIL 6 Inch Round Air Vent, 1Pcs ABS Adjustable Soffit Exhaust Vent Cover Ceiling Wall Air Diffuser For Home Living Room Kitchen Office Inline Duct
Amazon.com
5
$26.29
PATIKIL 6 Inch Round Air Vent, 1Pcs ABS Adjustable Soffit Exhaust Vent Cover Ceiling Wall Air Diffuser For Home Living Room Kitchen Office Inline Duct
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
$22.95
HBW 8" Round Ceiling Diffuser White Powder Coated With Outside Dimension Of 12" Fitting In 8" Duct
Amazon.com
141
$22.95
HBW 8" Round Ceiling Diffuser White Powder Coated With Outside Dimension Of 12" Fitting In 8" Duct
Amazon.com
$11.62
VT0110 Round Air Diffuser, Plastic, 4-5 in Dia, White
Amazon.com
$11.62
VT0110 Round Air Diffuser, Plastic, 4-5 in Dia, White
Amazon.com
$79.90
Round Ceiling Diffuser For Bathroom Kitchen Garage Duct Ventilation Use For Ceiling & Walls HVAC White Gable Grille Aluminium Register Circular Outlet
Amazon.com
2
Free shipping
$79.90
Round Ceiling Diffuser For Bathroom Kitchen Garage Duct Ventilation Use For Ceiling & Walls HVAC White Gable Grille Aluminium Register Circular Outlet
Amazon.com
$24.89
$26.49
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
39
$24.89
$26.49
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
$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
$36.78
Matala Circle Diffuser 8"
Amazon.com
62
Free shipping
$36.78
Matala Circle Diffuser 8"
Amazon.com
$15.99
Geesatis 4 Inch Adjustable Round Air Vent Spring Loaded,ABS Soffit Exhaust Vent Cover,Ceiling Wall Air Diffuser Built-In Mesh For Home Living Room
Amazon.com
$15.99
Geesatis 4 Inch Adjustable Round Air Vent Spring Loaded,ABS Soffit Exhaust Vent Cover,Ceiling Wall Air Diffuser Built-In Mesh For Home Living Room
Amazon.com
$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
$38.09
PATIKIL 4 Inch Round Air Vent Spring Loaded, 2Pcs ABS Soffit Exhaust Vent Cover Ceiling Wall Air Diffuser With Louver Grille For Home Living Room
Amazon.com
$38.09
PATIKIL 4 Inch Round Air Vent Spring Loaded, 2Pcs ABS Soffit Exhaust Vent Cover Ceiling Wall Air Diffuser With Louver Grille For Home Living Room
Amazon.com
$12.53
SELKIRK 6 in. Round Ceiling Diffuser White 1500W6R
DkHardware.com
$12.53
SELKIRK 6 in. Round Ceiling Diffuser White 1500W6R
DkHardware.com
$46.34
12.5" Round White Plastic Standard Air Grille Air Diffuser Bu Airtec Rectorseal
1800ceiling.com
$46.34
12.5" Round White Plastic Standard Air Grille Air Diffuser Bu Airtec Rectorseal
1800ceiling.com
$16.64
SELKIRK 8 in. Round Ceiling Diffuser White 1500W8R
DkHardware.com
$16.64
SELKIRK 8 in. Round Ceiling Diffuser White 1500W8R
DkHardware.com
$20.38
Diffuser Ceiling Round 6in Wht
Amazon.com
1
Free shipping
$20.38
Diffuser Ceiling Round 6in Wht
Amazon.com
$17.95
HBW 6" Round Ceiling Diffuser White Powder Coated With Outside Dimension Of 10" Fitting In 6" Duct
Amazon.com
71
$17.95
HBW 6" Round Ceiling Diffuser White Powder Coated With Outside Dimension Of 10" Fitting In 6" Duct
Amazon.com
$14.10
White Round Ceiling Vent Diffuser - Adjustable Metal HVAC Disc Valve For Bathroom, Airflow Regulator, Metal Air Suction Vent Cover. (Diameter: 4
Amazon.com
17
$14.10
White Round Ceiling Vent Diffuser - Adjustable Metal HVAC Disc Valve For Bathroom, Airflow Regulator, Metal Air Suction Vent Cover. (Diameter: 4
Amazon.com
$25.15
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"
Amazon.com
75
$25.15
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"
Amazon.com
$25.79
$28.69
PATIKIL 6 Inch Round Air Vent, 2 Pack Adjustable Ceiling Diffuser Grill Cover ABS Louver Soffit Vent With Screen For Bathroom Kitchen Living Room,
Amazon.com
14
10% off
$25.79
$28.69
PATIKIL 6 Inch Round Air Vent, 2 Pack Adjustable Ceiling Diffuser Grill Cover ABS Louver Soffit Vent With Screen For Bathroom Kitchen Living Room,
Amazon.com
$32.20
IMPERIAL Premium Round Air Diffuser With Collar White DR-08
DkHardware.com
$32.20
IMPERIAL Premium Round Air Diffuser With Collar White DR-08
DkHardware.com
$289.99
Stainless Steel Perforated Ceiling Diffuser (10" Round Supply Collar)
Amazon.com
Free shipping
$289.99
Stainless Steel Perforated Ceiling Diffuser (10" Round Supply Collar)
Amazon.com
$29.77
14 in. White Round Acrylic Diffuser
Home Depot
Free shipping
$29.77
14 in. White Round Acrylic Diffuser
Home Depot
$21.09
PATIKIL 4 Inch Round Air Vent, 2 Pack Adjustable Ceiling Diffuser Grill Cover ABS Louver Soffit Vent With Screen For Bathroom Kitchen Living Room,
Amazon.com
2
$21.09
PATIKIL 4 Inch Round Air Vent, 2 Pack Adjustable Ceiling Diffuser Grill Cover ABS Louver Soffit Vent With Screen For Bathroom Kitchen Living Room,
Amazon.com
$24.78
GUNDER ASSOCIATES INC 10 in. Round Ceiling Diffuser Butterfly Damper RBDR10
DkHardware.com
$24.78
GUNDER ASSOCIATES INC 10 in. Round Ceiling Diffuser Butterfly Damper RBDR10
DkHardware.com
$19.00
Prosource Round Ceiling Diffuser White SRSD08
DkHardware.com
$19.00
Prosource Round Ceiling Diffuser White SRSD08
DkHardware.com
$36.56
Airtec MV360S 360 Round White Ceiling Diffuser
Skip The Warehouse
$36.56
Airtec MV360S 360 Round White Ceiling Diffuser
Skip The Warehouse
$15.99
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+
$15.99
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
$31.73
Truaire 8 in. White Round Ceiling Diffuser (Duct Opening Measurement) 800-08
DkHardware.com
$31.73
Truaire 8 in. White Round Ceiling Diffuser (Duct Opening Measurement) 800-08
DkHardware.com
$40.65
AMERICAN METAL PRODUCTS 1500W6 White Round Ceiling Diffuser- 6 In, 851568
Zoro.com
$40.65
AMERICAN METAL PRODUCTS 1500W6 White Round Ceiling Diffuser- 6 In, 851568
Zoro.com
$37.79
PATIKIL 10 Inch Round Rotating Air Vent, Ceiling Diffuser Grill Cover With Adjustable Blade ABS Louver Soffit Vent For Airport Station Cinema Central
Amazon.com
Free shipping
$37.79
PATIKIL 10 Inch Round Rotating Air Vent, Ceiling Diffuser Grill Cover With Adjustable Blade ABS Louver Soffit Vent For Airport Station Cinema Central
Amazon.com
$32.29
ATLANTIC DIFFUSERS Diffuser, Fine Bubble Disc, 9 in Dia, AB-70005
Zoro.com
$32.29
ATLANTIC DIFFUSERS Diffuser, Fine Bubble Disc, 9 in Dia, AB-70005
Zoro.com
How to install round diffuser 10"in high ceilings /HVAC specialist
7:07
How to install round diffuser 10"in high ceilings /HVAC specialist
5.4K viewsNov 9, 2021
YouTubeHVAC Specialist
360° Look at a Circular Diffuser | Silent & Efficient Cooling
0:24
360° Look at a Circular Diffuser | Silent & Efficient Cooling
74 views2 months ago
YouTubeMaichen HVAC Equipment
Round Ceiling Diffuser Adjustment
1:58
Round Ceiling Diffuser Adjustment
57.1K viewsSep 2, 2022
YouTubeMETALAIRE
Hvac system aluminum anodized round air diffuser installation
1:20
Hvac system aluminum anodized round air diffuser installation
9.3K viewsJun 28, 2023
YouTubeVairtech
VENTECH High Ceiling Round Diffuser (RCD-VH) Circular Air Diffuser
0:21
VENTECH High Ceiling Round Diffuser (RCD-VH) Circular Air Diffuser
963 viewsSep 8, 2020
YouTubeVentech Ceiling Diffuser
VENTECH Circular Diffuser Panel Ceiling Replacement Diffuser
0:16
VENTECH Circular Diffuser Panel Ceiling Replacement Diffuser
15K viewsSep 10, 2020
YouTubeVentech Ceiling Diffuser
Seamless ceiling ventilation with ERGOVENT RONDO diffuser
0:08
Seamless ceiling ventilation with ERGOVENT RONDO diffuser
1.6K views6 months ago
YouTubeERGOVENT - Hidden Ventilation Diffusers
1:23
Invi Air Square & Round Frameless Diffuser - Alternative "Diffuser-in" Installation
703 viewsMar 18, 2025
YouTubeInviAir Diffusers
6:24
round diffuser installation#ductfabrication#diffusers
932 viewsMar 7, 2023
YouTubeMohammad Shahid
0:34
VENTECH High Ceiling Round Diffuser Circular Air Diffuser
558 viewsSep 9, 2020
YouTubeVentech Ceiling Diffuser
0:20
✨ Custom Circular Light Diffuser-Custom shape ✨
80 views3 months ago
YouTubeRINA TECH
0:46
Plastic round ceiling air diffuser with opposed blade damper
3.1K viewsApr 6, 2023
YouTubeVairtech
0:27
Round Ceiling Diffuser With Damper FK005
1.2K viewsMar 8, 2021
YouTubeE-ZONG Clean Room Doors
How Its Made: 3100 Round Ceiling Diffuser
5:20
Find in video from 00:23Overview of the 3100 Round Ceiling Diffuser
How Its Made: 3100 Round Ceiling Diffuser
5K viewsJun 14, 2022
YouTubeMETALAIRE
10:27
105-How to select round ceiling diffuser, perforated diffuser, disc valve,swirl diffuser,door grill
1.6K viewsSep 1, 2023
YouTubeNC Engineering & Technology
Air Diffusers - Installation: Dundas Jafine
1:17
Find in video from 00:45Installing the Diffuser
Air Diffusers - Installation: Dundas Jafine
40.1K viewsFeb 21, 2022
YouTubeDundas Jafine
11:50
TruAire SmoothGlide Ceiling Diffuser Damper Installation Retrofit Vent Cover Heating Cooling HVAC
211.2K viewsNov 4, 2012
YouTubeTheTechnoMack
1:24
AM-VRF Metal Ceiling Air Diffuser Series
751 viewsApr 18, 2025
YouTubeVents-US
0:51
Everbilt 6” ceiling diffuser #diy #contractor #construction #remodel #hvac #home #basement #tools
40.3K viewsNov 20, 2024
YouTubeThat Contractor Guy
3:32
Whole House Air Diffuser to Your HVAC System
12.5K views7 months ago
YouTubeMatt's World DIY
2:31
How to install ERGOVENT air diffusers to plasterboard ceilings?
11.9K viewsMay 10, 2024
YouTubeERGOVENT - Hidden Ventilation Diffusers
6:20
Why Do We Need Different Grilles and Diffusers?
4.4K viewsOct 3, 2024
YouTubeaircondlounge
4:35
6" Circular Round Plastic HVAC Supply Grille Air Diffuser
51K viewsJan 8, 2022
YouTubeALWAYS OCCUPIED PRODUCT REVIEW
3:38
Best LED Diffuser 2023 - No Hotspots - Best Diffuser Channel
225.6K viewsDec 8, 2022
YouTubeChris Maher
5:52
install a ceiling vent in 5 minutes - Haron 12R 340mm
115.5K viewsDec 22, 2015
YouTubeCyber MacGyver
2:48
How to Guide: Choosing the Best Air Diffuser for Your Wind, Solar or Electric Pond Aerator Bubbler
2.3K viewsFeb 24, 2025
YouTubeJoe Mescan Windmill LLC
0:31
2.Circular Ceiling Diffuser (CCD)
1.4K viewsDec 13, 2020
YouTubeKhedr For Engineering Industries
11:36
104-Selection of round ceiling and perforated diffuser,disc valve, swirl diffuser and door grill
249 viewsSep 1, 2023
YouTubeNC Engineering & Technology
See more

Shop circular diffuser

Sponsored
About our ads
$415.20
$519.00
Round Supply Ceiling Diffuser - DCF 20" / Black Matte / Steel
Advantage Mechanical Supply
19% off
$415.20
$519.00
Round Supply Ceiling Diffuser - DCF 20" / Black Matte / Steel
Advantage Mechanical Supply
$49.00
$61.20
Round Ceiling Jet Diffuser DCE 04" - 1 Jet / Black Matte / Aluminium
Advantage Mechanical Supply
19% off
$49.00
$61.20
Round Ceiling Jet Diffuser DCE 04" - 1 Jet / Black Matte / Aluminium
Advantage Mechanical Supply
$16.59
American Metal Products Round Ceiling Diffuser Steel White 6-In. 1500W6
DkHardware.com
2
$16.59
American Metal Products Round Ceiling Diffuser Steel White 6-In. 1500W6
DkHardware.com
$38.20
GUNDER ASSOCIATES INC 10 in. Round Ceiling Diffuser SRSD10
DkHardware.com
$38.20
GUNDER ASSOCIATES INC 10 in. Round Ceiling Diffuser SRSD10
DkHardware.com
$63.53
HVAC Premium 12'' Round Ceiling Diffuser - Easy Air Flow - HVAC Vent Duct Cover [White] - [Outer Dimensions: 16'']
Amazon.com
Free shipping
$63.53
HVAC Premium 12'' Round Ceiling Diffuser - Easy Air Flow - HVAC Vent Duct Cover [White] - [Outer Dimensions: 16'']
Amazon.com
$26.29
PATIKIL 6 Inch Round Air Vent, 1Pcs ABS Adjustable Soffit Exhaust Vent Cover Ceiling Wall Air Diffuser For Home Living Room Kitchen Office Inline Duct
Amazon.com
5
$26.29
PATIKIL 6 Inch Round Air Vent, 1Pcs ABS Adjustable Soffit Exhaust Vent Cover Ceiling Wall Air Diffuser For Home Living Room Kitchen Office Inline Duct
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
$22.95
HBW 8" Round Ceiling Diffuser White Powder Coated With Outside Dimension Of 12" Fitting In 8" Duct
Amazon.com
141
$22.95
HBW 8" Round Ceiling Diffuser White Powder Coated With Outside Dimension Of 12" Fitting In 8" Duct
Amazon.com
$11.62
VT0110 Round Air Diffuser, Plastic, 4-5 in Dia, White
Amazon.com
$11.62
VT0110 Round Air Diffuser, Plastic, 4-5 in Dia, White
Amazon.com
$79.90
Round Ceiling Diffuser For Bathroom Kitchen Garage Duct Ventilation Use For Ceiling & Walls HVAC White Gable Grille Aluminium Register Circular Outlet
Amazon.com
2
Free shipping
$79.90
Round Ceiling Diffuser For Bathroom Kitchen Garage Duct Ventilation Use For Ceiling & Walls HVAC White Gable Grille Aluminium Register Circular Outlet
Amazon.com
$24.89
$26.49
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
39
$24.89
$26.49
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
$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
$36.78
Matala Circle Diffuser 8"
Amazon.com
62
Free shipping
$36.78
Matala Circle Diffuser 8"
Amazon.com
$15.99
Geesatis 4 Inch Adjustable Round Air Vent Spring Loaded,ABS Soffit Exhaust Vent Cover,Ceiling Wall Air Diffuser Built-In Mesh For Home Living Room
Amazon.com
$15.99
Geesatis 4 Inch Adjustable Round Air Vent Spring Loaded,ABS Soffit Exhaust Vent Cover,Ceiling Wall Air Diffuser Built-In Mesh For Home Living Room
Amazon.com
$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
$38.09
PATIKIL 4 Inch Round Air Vent Spring Loaded, 2Pcs ABS Soffit Exhaust Vent Cover Ceiling Wall Air Diffuser With Louver Grille For Home Living Room
Amazon.com
$38.09
PATIKIL 4 Inch Round Air Vent Spring Loaded, 2Pcs ABS Soffit Exhaust Vent Cover Ceiling Wall Air Diffuser With Louver Grille For Home Living Room
Amazon.com
$12.53
SELKIRK 6 in. Round Ceiling Diffuser White 1500W6R
DkHardware.com
$12.53
SELKIRK 6 in. Round Ceiling Diffuser White 1500W6R
DkHardware.com
$46.34
12.5" Round White Plastic Standard Air Grille Air Diffuser Bu Airtec Rectorseal
1800ceiling.com
$46.34
12.5" Round White Plastic Standard Air Grille Air Diffuser Bu Airtec Rectorseal
1800ceiling.com