Ceiling Dampers Sizing(119)
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 $36.00

Sponsored
From$3600
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 Ceiling Damper 6 In. Round Adjustable - Brown Enamel Finish, 6" Size $18.95 Was $25.99

Now$1895
current price Now $18.95, Was $25.99$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

$8264
current price $82.64Ameriflow Ceiling Damper - Pack of 4 Residential Use, Standard Application
Deal Ceiling Register - Air Vent Covers for Home Ceiling or Wall - 8X6 inch (Duct Opening) 2-Way White Grille Register Cover with Adjustable Damper for HVAC Heat and Cold Air Conditioner From $11.80

11 options
Available in additional 11 optionsFrom$1180
Ceiling Register - Air Vent Covers for Home Ceiling or Wall - 8X6 inch (Duct Opening) 2-Way White Grille Register Cover with Adjustable Damper for HVAC Heat and Cold Air Conditioner
114.5 out of 5 Stars. 11 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 $36.00

4 options
Available in additional 4 optionsFrom$3600
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

Now$2954
current price Now $29.54, Was $36.54$36.54
AMERICAN METAL PRODUCTS 8-Inch Brown Round Ceiling Damper
[8 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" $99.15
![[8 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"](https://i5.walmartimages.com/seo/8-Pack-Fits-8-Inch-Neck-Air-Duct-Steel-Butterfly-Damper-Handua-Round-Ceiling-Air-Supply-Diffuser-Plastic-Key-Handle-Black-Outer-Dimension-9-1-2_f13bb5b4-8b36-460c-919e-e4b0442b9b9a.9757d46b73623f7a893ca1ab57d577c0.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$9915
current price $99.15[8 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"
36 in 36"H-W Aluminum Ceiling Truss Damper, 35-3/4 in x 34 in, Aluminum 4HA12 $191.18 Was $244.99

Now$19118
current price Now $191.18, Was $244.99$244.99
36 in 36"H-W Aluminum Ceiling Truss Damper, 35-3/4 in x 34 in, Aluminum 4HA12
13 out of 5 Stars. 1 reviews
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

14 options
Available in additional 14 optionsFrom$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
144.4 out of 5 Stars. 14 reviews
White Round Ceiling Diffuser 8-7-6 in. Reducing Boot and Rotary Damper $38.12

$3812
current price $38.12White Round Ceiling Diffuser 8-7-6 in. Reducing Boot and Rotary Damper
Havaco Quick Connect HT-GRB-S1D White Square Ceiling Diffuser 8-7-6 in. Reducing Boot and Rotary Damper $29.39 Was $36.09

Now$2939
current price Now $29.39, Was $36.09$36.09
Havaco Quick Connect HT-GRB-S1D White Square Ceiling Diffuser 8-7-6 in. Reducing Boot and Rotary Damper
15 out of 5 Stars. 1 reviews
Hart & Cooley 126 - 6 In. Round Ceiling Diffuser Butterfly Damper $51.08

$5108
current price $51.08Hart & Cooley 126 - 6 In. Round Ceiling Diffuser Butterfly Damper
12" DAMPER - Control Your Airflow on drop ceiling grilles of 24x24 (12" round duct opening) $60.12

$6012
current price $60.1212" DAMPER - Control Your Airflow on drop ceiling grilles of 24x24 (12" round duct opening)
Fits 12 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 13-1/2" From $16.99

4 options
Available in additional 4 optionsFrom$1699
Fits 12 Inch Neck Air Duct | Steel Butterfly Damper by Handua | For Round Ceiling Air Supply Diffuser with Plastic Key-Handle | Black | Outer Dimension: 13-1/2"
[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"](https://i5.walmartimages.com/seo/3-Pack-Fits-8-Inch-Neck-Air-Duct-Steel-Butterfly-Damper-Handua-Round-Ceiling-Air-Supply-Diffuser-Plastic-Key-Handle-Black-Outer-Dimension-9-1-2_8db49a7b-1479-4f94-b694-e8dd1b4e9238.51f148ecd7f5d1b5e2f904594b49c0b3.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$4798
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"
36 in 36"H 32"W Aluminum Ceiling Fan Damper, 34 in x 30 in, Aluminum 3C512 $171.84

$17184
current price $171.8436 in 36"H 32"W Aluminum Ceiling Fan Damper, 34 in x 30 in, Aluminum 3C512
11 out of 5 Stars. 1 reviews
Selkirk 8 In. Round Ceiling Damper 1800B8R $21.82 Was $28.99

Now$2182
current price Now $21.82, Was $28.99$28.99
Selkirk 8 In. Round Ceiling Damper 1800B8R
[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"](https://i5.walmartimages.com/seo/4-Pack-Fits-8-Inch-Neck-Air-Duct-Steel-Round-Air-Supply-Diffuser-Ceiling-Handua-8-Neck-Steel-Butterfly-Damper-Handle-Included-Round-Diffuser-Vent-Cov_f8bbe0fb-9ebc-454c-9561-d0774b3e0fd3.a74595f39f2cae83eb678822194facb7.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$12407
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"
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

4 options
Available in additional 4 optionsFrom$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
154.5 out of 5 Stars. 15 reviews
Ameriflow Ceiling Damper - Pack of 4 Residential Use, Standard Application $73.12

$7312
current price $73.12Ameriflow Ceiling Damper - Pack of 4 Residential Use, Standard Application
[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"](https://i5.walmartimages.com/seo/4-Pack-Fits-6-Inch-Neck-Air-Duct-Steel-Butterfly-Damper-Handua-Round-Ceiling-Air-Supply-Diffuser-Plastic-Key-Handle-Black-Outer-Dimension-7-1-2_a837048d-a0c7-4e48-972a-b01062bfbe11.8c228a494bbe0e6d2387fa86233a79b0.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$5341
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"
42 in 44"H-W 4.5"L Alu Ceiling Shutter Dampr, 42 in x 42 in, Aluminum 3C242 $614.69

$61469
current price $614.6942 in 44"H-W 4.5"L Alu Ceiling Shutter Dampr, 42 in x 42 in, Aluminum 3C242
[5 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" $67.97
![[5 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"](https://i5.walmartimages.com/seo/5-Pack-Fits-8-Inch-Neck-Air-Duct-Steel-Butterfly-Damper-Handua-Round-Ceiling-Air-Supply-Diffuser-Plastic-Key-Handle-Black-Outer-Dimension-9-1-2_5b64f226-ecfd-4e61-a608-d0ed5677b0d5.54004bab9f80eb90d3f88c0828b1c8f9.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$6797
current price $67.97[5 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"
30 in 35"H 32"W Aluminum Ceiling Truss Damper, 33 in x 30 in, Aluminum 3HHR7 $288.46

$28846
current price $288.4630 in 35"H 32"W Aluminum Ceiling Truss Damper, 33 in x 30 in, Aluminum 3HHR7
33.3 out of 5 Stars. 3 reviews
Havaco Quick Connect HT-GRB-R1D White Round Ceiling Diffuser 8-7-6 in. Reducing Boot and Rotary Damper $38.47

$3847
current price $38.47Havaco Quick Connect HT-GRB-R1D White Round Ceiling Diffuser 8-7-6 in. Reducing Boot and Rotary Damper
Uxcell 5.9 Inch Manual Control Volume Damper, Galvanized Iron Backdraft Damper for Air Duct, Airflow, Dryer Vent, 190mm $34.19

$3419
current price $34.19Uxcell 5.9 Inch Manual Control Volume Damper, Galvanized Iron Backdraft Damper for Air Duct, Airflow, Dryer Vent, 190mm
Uxcell 4" HVAC Duct Manual Volume Damper with Sleeve Adjustment Backdraft Damper From $28.49

4 options
Available in additional 4 optionsFrom$2849
Uxcell 4" HVAC Duct Manual Volume Damper with Sleeve Adjustment Backdraft Damper
Hart & Cooley 128 - 8 In. Round Ceiling Diffuser Butterfly Damper $27.00

$2700
current price $27.00Hart & Cooley 128 - 8 In. Round Ceiling Diffuser Butterfly Damper
[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"](https://i5.walmartimages.com/seo/6-Pack-Fits-6-Inch-Neck-Air-Duct-Steel-Butterfly-Damper-Handua-Round-Ceiling-Air-Supply-Diffuser-Plastic-Key-Handle-Black-Outer-Dimension-7-1-2_577cebbd-fd68-4ca6-90b5-a07baf131411.12698d3cd956ac37168a7718959125c7.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$7133
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"
Accord ABCDBRD08 Ceiling Damper with Round Butterfly Design, 8-Inch, Brown $23.22

$2322
current price $23.22Accord ABCDBRD08 Ceiling Damper with Round Butterfly Design, 8-Inch, Brown
White Steel Ceiling Register w/Damper For a Duct Opening of 6" Round - Faceplate Size of 9 5/8" $42.05

$4205
current price $42.05White Steel Ceiling Register w/Damper For a Duct Opening of 6" Round - Faceplate Size of 9 5/8"
42 in 43"H 32"W Aluminum Ceiling Truss Damper, 41 in x 30 in, Aluminum 3HHR9 $356.34

$35634
current price $356.3442 in 43"H 32"W Aluminum Ceiling Truss Damper, 41 in x 30 in, Aluminum 3HHR9
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

10 options
Available in additional 10 optionsFrom$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
134.4 out of 5 Stars. 13 reviews
Uxcell 8" Duct Damper Flap, 304 Stainless Steel HVAC Manual Volume Dampers $21.39

$2139
current price $21.39Uxcell 8" Duct Damper Flap, 304 Stainless Steel HVAC Manual Volume Dampers
Uxcell 7.9 Inch Manual Control Volume Damper, Galvanized Iron Backdraft Damper for Air Duct, Airflow, Dryer Vent, 190mm $52.69

$5269
current price $52.69Uxcell 7.9 Inch Manual Control Volume Damper, Galvanized Iron Backdraft Damper for Air Duct, Airflow, Dryer Vent, 190mm
[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"](https://i5.walmartimages.com/seo/4-Pack-Fits-8-Inch-Neck-Air-Duct-Steel-Butterfly-Damper-Handua-Round-Ceiling-Air-Supply-Diffuser-Plastic-Key-Handle-Black-Outer-Dimension-9-1-2_198a60f4-1e0a-4226-a389-6cd44e177bff.ab968bfa6ae789966f33ae5971b8bdd7.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$5837
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"
14in x 8in Imperial White Steel Rectangular Sidewall/Ceiling Register w/Plate Damper - Overall 15 1/4in x 9 1/4in $35.20

$3520
current price $35.2014in x 8in Imperial White Steel Rectangular Sidewall/Ceiling Register w/Plate Damper - Overall 15 1/4in x 9 1/4in
White Steel Ceiling Register w/Damper For a Duct Opening of 12" Round - Faceplate Size of 15 5/8" $70.29

$7029
current price $70.29White Steel Ceiling Register w/Damper For a Duct Opening of 12" Round - Faceplate Size of 15 5/8"
24 in 29.7"H-W Aluminum Ceiling Truss Damper, 28-3/4 in x 27-11/16 in, Aluminum 4HA10 $148.30

$14830
current price $148.3024 in 29.7"H-W Aluminum Ceiling Truss Damper, 28-3/4 in x 27-11/16 in, Aluminum 4HA10
[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"](https://i5.walmartimages.com/seo/6-Pack-Fits-6-Inch-Neck-Air-Duct-Steel-Round-Air-Supply-Diffuser-Ceiling-Handua-6-Neck-Steel-Butterfly-Damper-Handle-Included-Round-Diffuser-Vent-Cov_7bef5eca-b638-4708-bfe4-7d271c659e00.2378a146cf9709a1aa60032b64e564e5.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$15206
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"
Havaco Quick Connect HT-CCGRB-R1D White Round Capital Crown Ceiling Diffuser 8-7-6 in. Boot & Rotary Damper $37.10

$3710
current price $37.10Havaco Quick Connect HT-CCGRB-R1D White Round Capital Crown Ceiling Diffuser 8-7-6 in. Boot & Rotary Damper
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