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Ceiling Dampers Sizing

Uses item details. Price when purchased online

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 $35.97

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"
Options
Sponsored
From$3597

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"

Honeywell Y8150A1017 - Fresh Air Ventilation System With TrueZone Damper $173.13

Honeywell Y8150A1017 - Fresh Air Ventilation System With TrueZone Damper
Sponsored
current price $173.13

Honeywell Y8150A1017 - Fresh Air Ventilation System With TrueZone Damper

4 out of 5 Stars. 3 reviews

Spring Draftback Damper, Vert/Horz Ceiling Mount, 30in Blade Dia, 32 in H x 32 in W x 5in D,2000 fpm $151.58

Spring Draftback Damper, Vert/Horz Ceiling Mount, 30in Blade Dia, 32 in H x 32 in W x 5in D,2000 fpm
current price $151.58

Spring Draftback Damper, Vert/Horz Ceiling Mount, 30in Blade Dia, 32 in H x 32 in W x 5in D,2000 fpm

2.5 out of 5 Stars. 4 reviews

American Metal Ceiling Damper 6 In. Round Adjustable - Brown Enamel Finish, 6" Size $19.40 Was $25.99

American Metal Ceiling Damper 6 In. Round Adjustable - Brown Enamel Finish, 6" Size
current price Now $19.40, Was $25.99

American Metal Ceiling Damper 6 In. Round Adjustable - Brown Enamel Finish, 6" Size

Ameriflow Ceiling Damper - Pack of 4 Residential Use, Standard Application $82.64

Ameriflow Ceiling Damper - Pack of 4 Residential Use, Standard Application
current price $82.64

Ameriflow Ceiling Damper - Pack of 4 Residential Use, Standard Application

Ceiling Register - Air Vent Covers for Home Ceiling or Wall - 12X8 Inch (Duct Opening) 2-Way White Grille Register Cover with Adjustable Damper for HVAC Heat and Cold Air Conditioner From $14.39

Ceiling Register - Air Vent Covers for Home Ceiling or Wall - 12X8 Inch (Duct Opening) 2-Way White Grille Register Cover with Adjustable Damper for HVAC Heat and Cold Air Conditioner
Available in additional 11 options
Options
From$1439

Ceiling Register - Air Vent Covers for Home Ceiling or Wall - 12X8 Inch (Duct Opening) 2-Way White Grille Register Cover with Adjustable Damper for HVAC Heat and Cold Air Conditioner

4.5 out of 5 Stars. 11 reviews
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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 $35.97

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
Options
From$3597

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"

AMERICAN METAL PRODUCTS 8-Inch Brown Round Ceiling Damper $29.54 Was $36.54

AMERICAN METAL PRODUCTS 8-Inch Brown Round Ceiling Damper
current price Now $29.54, Was $36.54

AMERICAN METAL PRODUCTS 8-Inch Brown Round Ceiling Damper

36 in 36"H 32"W Aluminum Ceiling Fan Damper, 34 in x 30 in, Aluminum 3C512 $171.84

36 in 36"H 32"W Aluminum Ceiling Fan Damper, 34 in x 30 in, Aluminum 3C512
current price $171.84

36 in 36"H 32"W Aluminum Ceiling Fan Damper, 34 in x 30 in, Aluminum 3C512

1 out of 5 Stars. 1 reviews

Havaco Quick Connect HT-GRB-S1D White Square Ceiling Diffuser 8-7-6 in. Reducing Boot and Rotary Damper $29.39 Was $36.09

Havaco Quick Connect HT-GRB-S1D White Square Ceiling Diffuser 8-7-6 in. Reducing Boot and Rotary Damper
current price Now $29.39, Was $36.09

Havaco Quick Connect HT-GRB-S1D White Square Ceiling Diffuser 8-7-6 in. Reducing Boot and Rotary Damper

5 out of 5 Stars. 1 reviews

Best seller Ceiling Register - Air Vent Covers for Home Ceiling or Wall - 12X8 Inch (Duct Opening) 3-Way White Grille Register Cover with Adjustable Damper for HVAC Heat and Cold Air Conditioner From $15.74

Ceiling Register - Air Vent Covers for Home Ceiling or Wall - 12X8 Inch (Duct Opening) 3-Way White Grille Register Cover with Adjustable Damper for HVAC Heat and Cold Air Conditioner
Available in additional 14 options
Options
From$1574

Ceiling Register - Air Vent Covers for Home Ceiling or Wall - 12X8 Inch (Duct Opening) 3-Way White Grille Register Cover with Adjustable Damper for HVAC Heat and Cold Air Conditioner

4.5 out of 5 Stars. 15 reviews
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[2 Pack] Fits 6 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 7-1/2" From $16.49

[2 Pack] Fits 6 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 7-1/2"
Available in additional 4 options
Options
From$1649

[2 Pack] Fits 6 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 7-1/2"

[3 Pack] Fits 8 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 9-1/2" $47.98

[3 Pack] Fits 8 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 9-1/2"
current price $47.98

[3 Pack] Fits 8 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 9-1/2"

White Round Ceiling Diffuser 8-7-6 in. Reducing Boot and Rotary Damper $38.12

White Round Ceiling Diffuser 8-7-6 in. Reducing Boot and Rotary Damper
current price $38.12

White Round Ceiling Diffuser 8-7-6 in. Reducing Boot and Rotary Damper

Hart & Cooley 126 - 6 In. Round Ceiling Diffuser Butterfly Damper $51.08

Hart & Cooley 126 - 6 In. Round Ceiling Diffuser Butterfly Damper
current price $51.08

Hart & Cooley 126 - 6 In. Round Ceiling Diffuser Butterfly Damper

Ameriflow Ceiling Damper - Pack of 4 Residential Use, Standard Application $73.12

Ameriflow Ceiling Damper - Pack of 4 Residential Use, Standard Application
current price $73.12

Ameriflow Ceiling Damper - Pack of 4 Residential Use, Standard Application

36 in 36"H-W Aluminum Ceiling Truss Damper, 35-3/4 in x 34 in, Aluminum 4HA12 $191.18 Was $244.99

36 in 36"H-W Aluminum Ceiling Truss Damper, 35-3/4 in x 34 in, Aluminum 4HA12
current price Now $191.18, Was $244.99

36 in 36"H-W Aluminum Ceiling Truss Damper, 35-3/4 in x 34 in, Aluminum 4HA12

3 out of 5 Stars. 1 reviews

Selkirk 8 In. Round Ceiling Damper 1800B8R $21.82 Was $28.99

Selkirk 8 In. Round Ceiling Damper 1800B8R
current price Now $21.82, Was $28.99

Selkirk 8 In. Round Ceiling Damper 1800B8R

[6 Pack] Fits 6 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 7-1/2" $71.33

[6 Pack] Fits 6 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 7-1/2"
current price $71.33

[6 Pack] Fits 6 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 7-1/2"

[4 Pack] Fits 8 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 | Out. Dim.: 11-15/16" $124.07

[4 Pack] Fits 8 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 | Out. Dim.: 11-15/16"
current price $124.07

[4 Pack] Fits 8 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 | Out. Dim.: 11-15/16"

42 in 44"H-W 4.5"L Alu Ceiling Shutter Dampr, 42 in x 42 in, Aluminum 3C242 $614.69

42 in 44"H-W 4.5"L Alu Ceiling Shutter Dampr, 42 in x 42 in, Aluminum 3C242
current price $614.69

42 in 44"H-W 4.5"L Alu Ceiling Shutter Dampr, 42 in x 42 in, Aluminum 3C242

Havaco Quick Connect HT-GRB-R1D White Round Ceiling Diffuser 8-7-6 in. Reducing Boot and Rotary Damper $38.72

Havaco Quick Connect HT-GRB-R1D White Round Ceiling Diffuser 8-7-6 in. Reducing Boot and Rotary Damper
current price $38.72

Havaco Quick Connect HT-GRB-R1D White Round Ceiling Diffuser 8-7-6 in. Reducing Boot and Rotary Damper

Ceiling Register - Air Vent Covers for Home Ceiling or Wall - 10X10 Inch (Duct Opening) 4-Way White Grille Register Cover with Adjustable Damper for HVAC Heat and Cold Air Conditioner From $15.26

Ceiling Register - Air Vent Covers for Home Ceiling or Wall - 10X10 Inch (Duct Opening) 4-Way White Grille Register Cover with Adjustable Damper for HVAC Heat and Cold Air Conditioner
Available in additional 4 options
Options
From$1526

Ceiling Register - Air Vent Covers for Home Ceiling or Wall - 10X10 Inch (Duct Opening) 4-Way White Grille Register Cover with Adjustable Damper for HVAC Heat and Cold Air Conditioner

4.5 out of 5 Stars. 15 reviews
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Rollback Uxcell 4" HVAC Duct Manual Volume Damper with Sleeve Adjustment Backdraft Damper From $28.49

Uxcell 4" HVAC Duct Manual Volume Damper with Sleeve Adjustment Backdraft Damper
Available in additional 4 options
Options
From$2849

Uxcell 4" HVAC Duct Manual Volume Damper with Sleeve Adjustment Backdraft Damper

30 in 35"H 32"W Aluminum Ceiling Truss Damper, 33 in x 30 in, Aluminum 3HHR7 $288.46

30 in 35"H 32"W Aluminum Ceiling Truss Damper, 33 in x 30 in, Aluminum 3HHR7
current price $288.46

30 in 35"H 32"W Aluminum Ceiling Truss Damper, 33 in x 30 in, Aluminum 3HHR7

3.3 out of 5 Stars. 3 reviews

Hart & Cooley 128 - 8 In. Round Ceiling Diffuser Butterfly Damper $27.00

Hart & Cooley 128 - 8 In. Round Ceiling Diffuser Butterfly Damper
current price $27.00

Hart & Cooley 128 - 8 In. Round Ceiling Diffuser Butterfly Damper

[4 Pack] Fits 8 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 9-1/2" $58.37

[4 Pack] Fits 8 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 9-1/2"
current price $58.37

[4 Pack] Fits 8 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 9-1/2"

Accord ABCDBRD08 Ceiling Damper with Round Butterfly Design, 8-Inch, Brown $23.22

Accord ABCDBRD08 Ceiling Damper with Round Butterfly Design, 8-Inch, Brown
current price $23.22

Accord ABCDBRD08 Ceiling Damper with Round Butterfly Design, 8-Inch, Brown

Uxcell 8" Duct Damper Flap, 304 Stainless Steel HVAC Manual Volume Dampers $21.09

Uxcell 8" Duct Damper Flap, 304 Stainless Steel HVAC Manual Volume Dampers
current price $21.09

Uxcell 8" Duct Damper Flap, 304 Stainless Steel HVAC Manual Volume Dampers

Ceiling Register - Air Vent Covers for Home Ceiling or Wall - 12X6 Inch (Duct Opening) 1-Way White Grille Register Cover with Adjustable Damper for HVAC Heat and Cold Air Conditioner From $13.46

Ceiling Register - Air Vent Covers for Home Ceiling or Wall - 12X6 Inch (Duct Opening) 1-Way White Grille Register Cover with Adjustable Damper for HVAC Heat and Cold Air Conditioner
Available in additional 10 options
Options
From$1346

Ceiling Register - Air Vent Covers for Home Ceiling or Wall - 12X6 Inch (Duct Opening) 1-Way White Grille Register Cover with Adjustable Damper for HVAC Heat and Cold Air Conditioner

4.4 out of 5 Stars. 13 reviews
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Reduced price Uxcell 7.9 Inch Manual Control Volume Damper, Galvanized Iron Backdraft Damper for Air Duct, Airflow, Dryer Vent, 190mm $46.49 Was $52.69

Uxcell 7.9 Inch Manual Control Volume Damper, Galvanized Iron Backdraft Damper for Air Duct, Airflow, Dryer Vent, 190mm
current price Now $46.49, Was $52.69

Uxcell 7.9 Inch Manual Control Volume Damper, Galvanized Iron Backdraft Damper for Air Duct, Airflow, Dryer Vent, 190mm

24 in 29.7"H-W Aluminum Ceiling Truss Damper, 28-3/4 in x 27-11/16 in, Aluminum 4HA10 $148.18

24 in 29.7"H-W Aluminum Ceiling Truss Damper, 28-3/4 in x 27-11/16 in, Aluminum 4HA10
current price $148.18

24 in 29.7"H-W Aluminum Ceiling Truss Damper, 28-3/4 in x 27-11/16 in, Aluminum 4HA10

White Steel Ceiling Register w/Damper For a Duct Opening of 12" Round - Faceplate Size of 15 5/8" $70.29

White Steel Ceiling Register w/Damper For a Duct Opening of 12" Round - Faceplate Size of 15 5/8"
current price $70.29

White Steel Ceiling Register w/Damper For a Duct Opening of 12" Round - Faceplate Size of 15 5/8"

[4 Pack] Fits 6 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 7-1/2" $53.41

[4 Pack] Fits 6 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 7-1/2"
current price $53.41

[4 Pack] Fits 6 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 7-1/2"

White Steel Ceiling Register w/Damper For a Duct Opening of 6" Round - Faceplate Size of 9 5/8" $42.05

White Steel Ceiling Register w/Damper For a Duct Opening of 6" Round - Faceplate Size of 9 5/8"
current price $42.05

White Steel Ceiling Register w/Damper For a Duct Opening of 6" Round - Faceplate Size of 9 5/8"

14in x 8in Imperial White Steel Rectangular Sidewall/Ceiling Register w/Plate Damper - Overall 15 1/4in x 9 1/4in $35.20

14in x 8in Imperial White Steel Rectangular Sidewall/Ceiling Register w/Plate Damper - Overall 15 1/4in x 9 1/4in
current price $35.20

14in x 8in Imperial White Steel Rectangular Sidewall/Ceiling Register w/Plate Damper - Overall 15 1/4in x 9 1/4in

[6 Pack] Fits 6 Inch Neck Air Duct | Steel Round Air Supply Diffuser for Ceiling by Handua | 6" Neck Steel Butterfly Damper&Handle Included | Round Diffuser Vent Cover | White | Out. Dim.: 9-15/16" $152.06

[6 Pack] Fits 6 Inch Neck Air Duct | Steel Round Air Supply Diffuser for Ceiling by Handua | 6" Neck Steel Butterfly Damper&Handle Included | Round Diffuser Vent Cover | White | Out. Dim.: 9-15/16"
current price $152.06

[6 Pack] Fits 6 Inch Neck Air Duct | Steel Round Air Supply Diffuser for Ceiling by Handua | 6" Neck Steel Butterfly Damper&Handle Included | Round Diffuser Vent Cover | White | Out. Dim.: 9-15/16"

Hart & Cooley 1210 - 10 In. Round Ceiling Diffuser Butterfly Damper $30.39

Hart & Cooley 1210 - 10 In. Round Ceiling Diffuser Butterfly Damper
current price $30.39

Hart & Cooley 1210 - 10 In. Round Ceiling Diffuser Butterfly Damper

Havaco Quick Connect HT-CCGRB-R1D White Round Capital Crown Ceiling Diffuser 8-7-6 in. Boot & Rotary Damper $35.18

Havaco Quick Connect HT-CCGRB-R1D White Round Capital Crown Ceiling Diffuser 8-7-6 in. Boot & Rotary Damper
current price $35.18

Havaco Quick Connect HT-CCGRB-R1D White Round Capital Crown Ceiling Diffuser 8-7-6 in. Boot & Rotary Damper

42 in 43"H 32"W Aluminum Ceiling Truss Damper, 41 in x 30 in, Aluminum 3HHR9 $356.34

42 in 43"H 32"W Aluminum Ceiling Truss Damper, 41 in x 30 in, Aluminum 3HHR9
current price $356.34

42 in 43"H 32"W Aluminum Ceiling Truss Damper, 41 in x 30 in, Aluminum 3HHR9

Round Air Flow Shutter, 6 Inch Silver Metal Hvac Vent Damper for Ceiling and Wall Ducts From $7.69

Round Air Flow Shutter, 6 Inch Silver Metal Hvac Vent Damper for Ceiling and Wall Ducts
A001- Clear (A), variant on Round Air Flow Shutter, 6 Inch Silver Metal Hvac Vent Damper for Ceiling and Wall Ducts
A002- Clear (B), variant on Round Air Flow Shutter, 6 Inch Silver Metal Hvac Vent Damper for Ceiling and Wall Ducts
A003- Clear (C), variant on Round Air Flow Shutter, 6 Inch Silver Metal Hvac Vent Damper for Ceiling and Wall Ducts
Options
From$769

Round Air Flow Shutter, 6 Inch Silver Metal Hvac Vent Damper for Ceiling and Wall Ducts

[5 Pack] Fits 6 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 7-1/2" $62.19

[5 Pack] Fits 6 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 7-1/2"
current price $62.19

[5 Pack] Fits 6 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 7-1/2"

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