Shop Round Ceiling Diffuser Control Knob

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$3.99
Cooper Rkrc-V-Bp Knob Rotary Combo Fan/Dimmer Replacement Ivory
New Feedonomics Feed - ARC 8/12/2025
$3.99
Cooper Rkrc-V-Bp Knob Rotary Combo Fan/Dimmer Replacement Ivory
New Feedonomics Feed - ARC 8/12/2025
$40.00
Craftmade Cm-4Sdh 4 Speed Rotary Fan Control Almond And White
New Feedonomics Feed - ARC 8/12/2025
4
$40.00
Craftmade Cm-4Sdh 4 Speed Rotary Fan Control Almond And White
New Feedonomics Feed - ARC 8/12/2025
$1.59
Lutron Sk-La Replacement Knob, Replacement Knobs, Light Almond
New Feedonomics Feed - ARC 8/12/2025
$1.59
Lutron Sk-La Replacement Knob, Replacement Knobs, Light Almond
New Feedonomics Feed - ARC 8/12/2025
$40.00
Craftmade Cm-4Sdh-5 4 Speed Rotary Fan Control 5 Amp White
New Feedonomics Feed - ARC 8/12/2025
$40.00
Craftmade Cm-4Sdh-5 4 Speed Rotary Fan Control 5 Amp White
New Feedonomics Feed - ARC 8/12/2025
$34.49
Cooper Rfs5-W-K Fan Control Rotary Variable 5A 120V W/Trim White
New Feedonomics Feed - ARC 8/12/2025
$34.49
Cooper Rfs5-W-K Fan Control Rotary Variable 5A 120V W/Trim White
New Feedonomics Feed - ARC 8/12/2025
$34.49
Cooper Rfs5-W Fan Control Rotary Variable 5A 120V W/Trim White
New Feedonomics Feed - ARC 8/12/2025
$34.49
Cooper Rfs5-W Fan Control Rotary Variable 5A 120V W/Trim White
New Feedonomics Feed - ARC 8/12/2025
$13.99
CAMGJORT 26115-E Round Fan Control Light Dimmer Switch Knob,1/4 Inch Dia D Shaped Shaft,Black(5 PCS
Amazon.com
23
$13.99
CAMGJORT 26115-E Round Fan Control Light Dimmer Switch Knob,1/4 Inch Dia D Shaped Shaft,Black(5 PCS
Amazon.com
$2.71
Lutron Rotary Knob: Rotary Knob, White, RK Model: RK-WH
Grainger
6
$2.71
Lutron Rotary Knob: Rotary Knob, White, RK Model: RK-WH
Grainger
$20.00
4 Pc - HVAC Ceiling Vent Control Knob D Shape Plastic Diffuser Tool To Open And Close Air Flow
Etsy
3
$20.00
4 Pc - HVAC Ceiling Vent Control Knob D Shape Plastic Diffuser Tool To Open And Close Air Flow
Etsy
$2.71
Lutron Rotary Knob: Rotary Knob, Ivory, RK Model: RK-IV
Grainger
6
$2.71
Lutron Rotary Knob: Rotary Knob, Ivory, RK Model: RK-IV
Grainger
$7.49
MECCANIXITY Rotary Potentiometer Knob 6mm Hole Dia D Shaft With Scale, 1.0" H X 1.8" Dia Black Plastic Volume Knobs Cap For Guitar Bass Volume Control
Amazon.com
$7.49
MECCANIXITY Rotary Potentiometer Knob 6mm Hole Dia D Shaft With Scale, 1.0" H X 1.8" Dia Black Plastic Volume Knobs Cap For Guitar Bass Volume Control
Amazon.com
$23.99
CAMGJORT 26115-T Round Fan Control Light Dimmer Switch Knob, 0.25 Inch Dia D Shaped Shaft (10, Light Almond)
Amazon.com
22
$23.99
CAMGJORT 26115-T Round Fan Control Light Dimmer Switch Knob, 0.25 Inch Dia D Shaped Shaft (10, Light Almond)
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
$18.14
Diffuser: Ceiling/Wall, 14 in Dia, Surface Mount, 10 in Duct, Steel, Round Cone, White Model: 4JRL1
Grainger
$18.14
Diffuser: Ceiling/Wall, 14 in Dia, Surface Mount, 10 in Duct, Steel, Round Cone, White Model: 4JRL1
Grainger
$50.29
Fits 10 Inch Neck Air Duct | Steel Round Air Supply Diffuser For Ceiling By Handua | 10" Neck Steel Butterfly Damper&Handle Included | Round Diffuser
Amazon.com
56
Free shipping
$50.29
Fits 10 Inch Neck Air Duct | Steel Round Air Supply Diffuser For Ceiling By Handua | 10" Neck Steel Butterfly Damper&Handle Included | Round Diffuser
Amazon.com
$7.99
MECCANIXITY 10Pcs 6mm Potentiometer D-Shaft Knob Rubber 180 Rotation DJ Speaker Knobs Control Knob For Electric Drum(Multicolor)
Amazon.com
$7.99
MECCANIXITY 10Pcs 6mm Potentiometer D-Shaft Knob Rubber 180 Rotation DJ Speaker Knobs Control Knob For Electric Drum(Multicolor)
Amazon.com
$26.99
OSD Audio 100W In Wall Volume Control Impedance Matching For Home Speakers, Rotary Knob White SVC100
Amazon.com
1K+
$26.99
OSD Audio 100W In Wall Volume Control Impedance Matching For Home Speakers, Rotary Knob White SVC100
Amazon.com
$63.59
947N Rotary Dimmer Knob - Satin Nickel
Amazon.com
Free shipping
$63.59
947N Rotary Dimmer Knob - Satin Nickel
Amazon.com
$83.01
American Louver Diffusers: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, Plastic, Perforated, White [PK/2] Model: STR-PERF-2212-2PK
Grainger
$83.01
American Louver Diffusers: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, Plastic, Perforated, White [PK/2] Model: STR-PERF-2212-2PK
Grainger
$13.60
White Round Ceiling Vent Diffuser - Adjustable Metal HVAC Disc Valve For Bathroom, Airflow Regulator, Metal Air Suction Vent Cover. (Diameter: 3
Amazon.com
5
$13.60
White Round Ceiling Vent Diffuser - Adjustable Metal HVAC Disc Valve For Bathroom, Airflow Regulator, Metal Air Suction Vent Cover. (Diameter: 3
Amazon.com
$15.95
Fantech 484136 HL KNOB Metal Knob Replacement (2 Pack) | Supplyhouse.Com
SupplyHouse.com
$15.95
Fantech 484136 HL KNOB Metal Knob Replacement (2 Pack) | Supplyhouse.Com
SupplyHouse.com
$8.99
6Pcs Dimmer Switch Knobs, Replacement Universal Dimmer Knob For Ceiling Lights & Wall Switches,PETG Material Split Slider, White,Compatible With
Amazon.com
2
$8.99
6Pcs Dimmer Switch Knobs, Replacement Universal Dimmer Knob For Ceiling Lights & Wall Switches,PETG Material Split Slider, White,Compatible With
Amazon.com
$56.99
Fits 12 Inch Neck Air Duct | Steel Round Air Supply Diffuser For Ceiling By Handua | 12" Neck Steel Butterfly Damper&Handle Included | Round Diffuser
Amazon.com
56
Free shipping
$56.99
Fits 12 Inch Neck Air Duct | Steel Round Air Supply Diffuser For Ceiling By Handua | 12" Neck Steel Butterfly Damper&Handle Included | Round Diffuser
Amazon.com
$44.13
Airtec 81911 MV360 Ceiling Diffuser W/ Round Grille (8" X 8") | Supplyhouse.Com
SupplyHouse.com
22
$44.13
Airtec 81911 MV360 Ceiling Diffuser W/ Round Grille (8" X 8") | Supplyhouse.Com
SupplyHouse.com
$50.78
Hart & Cooley 12903 12" (Wall Opening Size) Round White Ceiling Diffuser (16 Series) | Supplyhouse.Com
SupplyHouse.com
9
$50.78
Hart & Cooley 12903 12" (Wall Opening Size) Round White Ceiling Diffuser (16 Series) | Supplyhouse.Com
SupplyHouse.com
$12.99
Fielect Potentiometer Control Knob 20Pcs 6mm Insert Shaft 16x15mm Plastic Potentiometer Volume Control Rotary Knob Black And White
Amazon.com
23
Free shipping
$12.99
Fielect Potentiometer Control Knob 20Pcs 6mm Insert Shaft 16x15mm Plastic Potentiometer Volume Control Rotary Knob Black And White
Amazon.com
$34.47
12 Pcs Round Ceiling Diffuser Plastic Key Handle, Vent Key For Steel
eBay
$34.47
12 Pcs Round Ceiling Diffuser Plastic Key Handle, Vent Key For Steel
eBay
$13.99
CAMGJORT 26115-W Knobs,Turn The Knob Of The Device, White (5)
Amazon.com
45
$13.99
CAMGJORT 26115-W Knobs,Turn The Knob Of The Device, White (5)
Amazon.com
$7.99
Unique Bargains Potentiometer Knob Aluminum Rotary Knob 0.98" X 0.61" Volume Control Knob Gold Tone
Walmart
Free shipping
$7.99
Unique Bargains Potentiometer Knob Aluminum Rotary Knob 0.98" X 0.61" Volume Control Knob Gold Tone
Walmart
$21.90
Bluefin DF3W-12 12" (Wall Opening Size) Round Ceiling Diffuser (White) | Supplyhouse.Com
SupplyHouse.com
2
$21.90
Bluefin DF3W-12 12" (Wall Opening Size) Round Ceiling Diffuser (White) | Supplyhouse.Com
SupplyHouse.com
$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
68
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
$25.96
Hart & Cooley 12901 8" (Wall Opening Size) Round White Ceiling Diffuser (16 Series) | Supplyhouse.Com
SupplyHouse.com
1
$25.96
Hart & Cooley 12901 8" (Wall Opening Size) Round White Ceiling Diffuser (16 Series) | Supplyhouse.Com
SupplyHouse.com
$9.11
Bluefin DF3W-8 8" (Wall Opening Size) Round Ceiling Diffuser (White) | Supplyhouse.Com
SupplyHouse.com
10
$9.11
Bluefin DF3W-8 8" (Wall Opening Size) Round Ceiling Diffuser (White) | Supplyhouse.Com
SupplyHouse.com
$34.82
Airtec 81901 MV360S Ceiling Diffuser W/ Round Grille (6" X 6") | Supplyhouse.Com
SupplyHouse.com
17
$34.82
Airtec 81901 MV360S Ceiling Diffuser W/ Round Grille (6" X 6") | Supplyhouse.Com
SupplyHouse.com
$108.55
Hart & Cooley 48701 8" (Wall Opening Size) Steel Round Ceiling Diffuser (20 Series) | Supplyhouse.Com
SupplyHouse.com
1
$108.55
Hart & Cooley 48701 8" (Wall Opening Size) Steel Round Ceiling Diffuser (20 Series) | Supplyhouse.Com
SupplyHouse.com
$158.83
American Louver Diffusers: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, Plastic, Perforated, White [PK/5] Model: STR-PERF-2214-5PK
Grainger
$158.83
American Louver Diffusers: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, Plastic, Perforated, White [PK/5] Model: STR-PERF-2214-5PK
Grainger
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Shop Round Ceiling Diffuser Control Knob

Sponsored
About our ads
$3.99
Cooper Rkrc-V-Bp Knob Rotary Combo Fan/Dimmer Replacement Ivory
New Feedonomics Feed - ARC 8/12/2025
$3.99
Cooper Rkrc-V-Bp Knob Rotary Combo Fan/Dimmer Replacement Ivory
New Feedonomics Feed - ARC 8/12/2025
$40.00
Craftmade Cm-4Sdh 4 Speed Rotary Fan Control Almond And White
New Feedonomics Feed - ARC 8/12/2025
4
$40.00
Craftmade Cm-4Sdh 4 Speed Rotary Fan Control Almond And White
New Feedonomics Feed - ARC 8/12/2025
$1.59
Lutron Sk-La Replacement Knob, Replacement Knobs, Light Almond
New Feedonomics Feed - ARC 8/12/2025
$1.59
Lutron Sk-La Replacement Knob, Replacement Knobs, Light Almond
New Feedonomics Feed - ARC 8/12/2025
$40.00
Craftmade Cm-4Sdh-5 4 Speed Rotary Fan Control 5 Amp White
New Feedonomics Feed - ARC 8/12/2025
$40.00
Craftmade Cm-4Sdh-5 4 Speed Rotary Fan Control 5 Amp White
New Feedonomics Feed - ARC 8/12/2025
$34.49
Cooper Rfs5-W-K Fan Control Rotary Variable 5A 120V W/Trim White
New Feedonomics Feed - ARC 8/12/2025
$34.49
Cooper Rfs5-W-K Fan Control Rotary Variable 5A 120V W/Trim White
New Feedonomics Feed - ARC 8/12/2025
$34.49
Cooper Rfs5-W Fan Control Rotary Variable 5A 120V W/Trim White
New Feedonomics Feed - ARC 8/12/2025
$34.49
Cooper Rfs5-W Fan Control Rotary Variable 5A 120V W/Trim White
New Feedonomics Feed - ARC 8/12/2025
$13.99
CAMGJORT 26115-E Round Fan Control Light Dimmer Switch Knob,1/4 Inch Dia D Shaped Shaft,Black(5 PCS
Amazon.com
23
$13.99
CAMGJORT 26115-E Round Fan Control Light Dimmer Switch Knob,1/4 Inch Dia D Shaped Shaft,Black(5 PCS
Amazon.com
$2.71
Lutron Rotary Knob: Rotary Knob, White, RK Model: RK-WH
Grainger
6
$2.71
Lutron Rotary Knob: Rotary Knob, White, RK Model: RK-WH
Grainger
$20.00
4 Pc - HVAC Ceiling Vent Control Knob D Shape Plastic Diffuser Tool To Open And Close Air Flow
Etsy
3
$20.00
4 Pc - HVAC Ceiling Vent Control Knob D Shape Plastic Diffuser Tool To Open And Close Air Flow
Etsy
$2.71
Lutron Rotary Knob: Rotary Knob, Ivory, RK Model: RK-IV
Grainger
6
$2.71
Lutron Rotary Knob: Rotary Knob, Ivory, RK Model: RK-IV
Grainger
$7.49
MECCANIXITY Rotary Potentiometer Knob 6mm Hole Dia D Shaft With Scale, 1.0" H X 1.8" Dia Black Plastic Volume Knobs Cap For Guitar Bass Volume Control
Amazon.com
$7.49
MECCANIXITY Rotary Potentiometer Knob 6mm Hole Dia D Shaft With Scale, 1.0" H X 1.8" Dia Black Plastic Volume Knobs Cap For Guitar Bass Volume Control
Amazon.com
$23.99
CAMGJORT 26115-T Round Fan Control Light Dimmer Switch Knob, 0.25 Inch Dia D Shaped Shaft (10, Light Almond)
Amazon.com
22
$23.99
CAMGJORT 26115-T Round Fan Control Light Dimmer Switch Knob, 0.25 Inch Dia D Shaped Shaft (10, Light Almond)
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
$18.14
Diffuser: Ceiling/Wall, 14 in Dia, Surface Mount, 10 in Duct, Steel, Round Cone, White Model: 4JRL1
Grainger
$18.14
Diffuser: Ceiling/Wall, 14 in Dia, Surface Mount, 10 in Duct, Steel, Round Cone, White Model: 4JRL1
Grainger
$50.29
Fits 10 Inch Neck Air Duct | Steel Round Air Supply Diffuser For Ceiling By Handua | 10" Neck Steel Butterfly Damper&Handle Included | Round Diffuser
Amazon.com
56
Free shipping
$50.29
Fits 10 Inch Neck Air Duct | Steel Round Air Supply Diffuser For Ceiling By Handua | 10" Neck Steel Butterfly Damper&Handle Included | Round Diffuser
Amazon.com
$7.99
MECCANIXITY 10Pcs 6mm Potentiometer D-Shaft Knob Rubber 180 Rotation DJ Speaker Knobs Control Knob For Electric Drum(Multicolor)
Amazon.com
$7.99
MECCANIXITY 10Pcs 6mm Potentiometer D-Shaft Knob Rubber 180 Rotation DJ Speaker Knobs Control Knob For Electric Drum(Multicolor)
Amazon.com
$26.99
OSD Audio 100W In Wall Volume Control Impedance Matching For Home Speakers, Rotary Knob White SVC100
Amazon.com
1K+
$26.99
OSD Audio 100W In Wall Volume Control Impedance Matching For Home Speakers, Rotary Knob White SVC100
Amazon.com
$63.59
947N Rotary Dimmer Knob - Satin Nickel
Amazon.com
Free shipping
$63.59
947N Rotary Dimmer Knob - Satin Nickel
Amazon.com