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$419.20
Dayton 40"H-W Aluminum Ceiling Truss Damper: For 42 in Fan, Single Panel, 42 in H, 40 in W, 1 3/8 in D Model: 3HHR8
Grainger
1
$419.20
Dayton 40"H-W Aluminum Ceiling Truss Damper: For 42 in Fan, Single Panel, 42 in H, 40 in W, 1 3/8 in D Model: 3HHR8
Grainger
1
$38.05
$44.13
Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
Amazon.com
125
Free shipping
13% off
$38.05
$44.13
Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
Amazon.com
125
$58.00
Havaco 2'X2' Lay-In 3 Cone Supply With 8" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
Amazon.com
237
Free shipping
$58.00
Havaco 2'X2' Lay-In 3 Cone Supply With 8" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
Amazon.com
237
$521.40
Dayton 50"H-W 4.5"L Alu Ceiling Shutter Dampr: For 48 in Fan, Single Panel, 50 in H, 50 in W, 1 5/8 in D Model: 3C243
Grainger
$521.40
Dayton 50"H-W 4.5"L Alu Ceiling Shutter Dampr: For 48 in Fan, Single Panel, 50 in H, 50 in W, 1 5/8 in D Model: 3C243
Grainger
$28.22
$31.57
Rectorseal Truaire Retrofit Grille/Damper 81904 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 6X6 4Way, Grille/
Amazon.com
10% off
$28.22
$31.57
Rectorseal Truaire Retrofit Grille/Damper 81904 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 6X6 4Way, Grille/
Amazon.com
$58.00
Havaco 2'X2' Lay-In 3 Cone Supply With 12" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
Amazon.com
277
Free shipping
$58.00
Havaco 2'X2' Lay-In 3 Cone Supply With 12" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
Amazon.com
277
$52.59
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
$52.59
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
$35.78
Rectorseal Truaire Retrofit Grille/Damper MV3 81913 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 3 Way
Amazon.com
118
Free shipping
$35.78
Rectorseal Truaire Retrofit Grille/Damper MV3 81913 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 3 Way
Amazon.com
118
$64.42
Dayton 15.8"H-W 4.5"L Alu Spring Bkdrft Dampr: For 16 in Fan, For 16 in Nominal Duct Dia, Single Panel Model: 3HHL5
Grainger
$64.42
Dayton 15.8"H-W 4.5"L Alu Spring Bkdrft Dampr: For 16 in Fan, For 16 in Nominal Duct Dia, Single Panel Model: 3HHL5
Grainger
$155.82
Dayton 29.7"H-W Aluminum Ceiling Truss Damper: For 24 in Fan, Single Panel, 30 3/4 in H, 29 3/4 in W, Felt Model: 4HA10
Grainger
$155.82
Dayton 29.7"H-W Aluminum Ceiling Truss Damper: For 24 in Fan, Single Panel, 30 3/4 in H, 29 3/4 in W, Felt Model: 4HA10
Grainger
$92.96
Delta Breez CRD2 GBR Ceiling Radiation Damper | Supplyhouse.Com
SupplyHouse.com
$92.96
Delta Breez CRD2 GBR Ceiling Radiation Damper | Supplyhouse.Com
SupplyHouse.com
$105.00
Delta Breez SIG-CRD SIG Ceiling Radiation Damper | Supplyhouse.Com
SupplyHouse.com
$105.00
Delta Breez SIG-CRD SIG Ceiling Radiation Damper | Supplyhouse.Com
SupplyHouse.com
$162.70
Broan 12.5"H-W Manual Ceiling Radiation Damper Model: RD1
Grainger
$162.70
Broan 12.5"H-W Manual Ceiling Radiation Damper Model: RD1
Grainger
$44.93
Dayton 11.75"H-W 4.5"L Alu Univ Backdraft Dampr: For 12 in Fan, For 12 in Nominal Duct Dia, Single Panel Model: 2FTX4
Grainger
$44.93
Dayton 11.75"H-W 4.5"L Alu Univ Backdraft Dampr: For 12 in Fan, For 12 in Nominal Duct Dia, Single Panel Model: 2FTX4
Grainger
$120.99
Dayton 24 in 29.7"H-W Aluminum Ceiling Truss Damper, 28-3/4 in X 27-11/16 In, Aluminum 4HA10
Zoro.com
30-day returns (most items)
$120.99
Dayton 24 in 29.7"H-W Aluminum Ceiling Truss Damper, 28-3/4 in X 27-11/16 In, Aluminum 4HA10
Zoro.com
30-day returns
$300.79
Dayton 47.75"H-W 4.5"L Aluminum Backdraft Dampr: For 48 in Fan, For 48 in Nominal Duct Dia, Single Panel Model: 3HHN3
Grainger
1
$300.79
Dayton 47.75"H-W 4.5"L Aluminum Backdraft Dampr: For 48 in Fan, For 48 in Nominal Duct Dia, Single Panel Model: 3HHN3
Grainger
1
$107.57
Dayton 25"H-W 5.75"L Alu Wall Backdraft Dampr: For 20 in Fan, Single Panel, 25 in H, 25 in W, 2 1/2 in D Model: 53DR11
Grainger
$107.57
Dayton 25"H-W 5.75"L Alu Wall Backdraft Dampr: For 20 in Fan, Single Panel, 25 in H, 25 in W, 2 1/2 in D Model: 53DR11
Grainger
$66.49
PATIKIL 10" HVAC Duct Manual Volume Damper, Stainless Steel Adjustment Flame Retardant Airflow Backdraft Damper Control For HVAC Air Balancing System,
Amazon.com
6
Free shipping
$66.49
PATIKIL 10" HVAC Duct Manual Volume Damper, Stainless Steel Adjustment Flame Retardant Airflow Backdraft Damper Control For HVAC Air Balancing System,
Amazon.com
6
$154.16
Honeywell Home ARD16TZ Round Automatic Damper, 16", Multicolored
Amazon.com
4
Free shipping
$154.16
Honeywell Home ARD16TZ Round Automatic Damper, 16", Multicolored
Amazon.com
4
$57.54
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 10 in Duct, Steel, Square Cone, White Model: 4MJU4
Grainger
$57.54
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 10 in Duct, Steel, Square Cone, White Model: 4MJU4
Grainger
$80.05
Hart & Cooley RZ16 Ceiling Diffuser 6 - 8 in
Voomi Supply
30-day returns (most items)
$80.05
Hart & Cooley RZ16 Ceiling Diffuser 6 - 8 in
Voomi Supply
30-day returns
$92.83
Dayton 23.75"H-W 4.5"L Alu Univ Backdraft Dampr: For 24 in Fan, For 24 in Nominal Duct Dia, Single Panel Model: 2FTV7
Grainger
$92.83
Dayton 23.75"H-W 4.5"L Alu Univ Backdraft Dampr: For 24 in Fan, For 24 in Nominal Duct Dia, Single Panel Model: 2FTV7
Grainger
$62.27
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 10 in Duct, Steel, Square Cone, White Model: 4MJV4
Grainger
$62.27
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 10 in Duct, Steel, Square Cone, White Model: 4MJV4
Grainger
$53.68
Dayton 13.75"H-W 4.5"L Alu Univ Backdraft Dampr: For 12 in Fan, For 14 in Nominal Duct Dia, Single Panel Model: 2FTX5
Grainger
$53.68
Dayton 13.75"H-W 4.5"L Alu Univ Backdraft Dampr: For 12 in Fan, For 14 in Nominal Duct Dia, Single Panel Model: 2FTX5
Grainger
$293.37
Dayton 38"H-W Alu Universal Backdraft Dampr: For 36 in Fan, Single Panel, 38 in H, 38 in W, 1 5/8 in D Model: 4C228
Grainger
1
$293.37
Dayton 38"H-W Alu Universal Backdraft Dampr: For 36 in Fan, Single Panel, 38 in H, 38 in W, 1 5/8 in D Model: 4C228
Grainger
1
$18.66
Tru Aire Ceiling Damper 6" H X 6" W Powder Coat Brown Steel Powder Coat C80106
DkHardware.com
$18.66
Tru Aire Ceiling Damper 6" H X 6" W Powder Coat Brown Steel Powder Coat C80106
DkHardware.com
$589.90
Dayton 28.8"H-W 14.5"L Squ Mtrzd Contrl Dampr: For 30 in Dia, 14 1/2 in L, 29 3/4 in H, 29 3/4 in W, Single Model: 5NKK5
Grainger
$589.90
Dayton 28.8"H-W 14.5"L Squ Mtrzd Contrl Dampr: For 30 in Dia, 14 1/2 in L, 29 3/4 in H, 29 3/4 in W, Single Model: 5NKK5
Grainger
$10.07
6"Dia Steel Snap-On Control Damper: For 6 in Nominal Duct Dia, 5 3/4 in Overall Dia Model: 4JRL7
Grainger
$10.07
6"Dia Steel Snap-On Control Damper: For 6 in Nominal Duct Dia, 5 3/4 in Overall Dia Model: 4JRL7
Grainger
$75.99
Suncourt Zonemaster 4-Inch Normally Closed Motorized Damper - Power Open/Spring Return 24V Vent Damper, Plug-In Transformer Included (ZC204)
Amazon.com
36
Free shipping
$75.99
Suncourt Zonemaster 4-Inch Normally Closed Motorized Damper - Power Open/Spring Return 24V Vent Damper, Plug-In Transformer Included (ZC204)
Amazon.com
36
$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
$16.99
$19.98
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
1K+
14% off
$16.99
$19.98
6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Amazon.com
1K+
$44.99
4 Pack Air Ceiling Vent Cover Grille 10"W X 8"H Duct Opening Size, 2 Way Steel Grille Register With Adjustable Damper For Ceiling Wall HVAC Heat Cold
Amazon.com
18
Free shipping
$44.99
4 Pack Air Ceiling Vent Cover Grille 10"W X 8"H Duct Opening Size, 2 Way Steel Grille Register With Adjustable Damper For Ceiling Wall HVAC Heat Cold
Amazon.com
18
$59.61
HVAC Premium Stick-On Collar Duct With Damper | Galvanized Steel Metal Collar Duct With Damper 30 Gauge | 16" Stick On Collar W/Damper Is Compatible
Amazon.com
19
Free shipping
$59.61
HVAC Premium Stick-On Collar Duct With Damper | Galvanized Steel Metal Collar Duct With Damper 30 Gauge | 16" Stick On Collar W/Damper Is Compatible
Amazon.com
19
$93.99
Suncourt Zonemaster 10-Inch Normally Closed Motorized Damper - Power Open/Spring Close 24V Vent Damper, Transformer Included (ZC210)
Amazon.com
36
Free shipping
$93.99
Suncourt Zonemaster 10-Inch Normally Closed Motorized Damper - Power Open/Spring Close 24V Vent Damper, Transformer Included (ZC210)
Amazon.com
36
$43.99
4 Pack Air Ceiling Vent Cover Grille 8"W X 8"H Duct Opening Size, 2 Way Steel Grille Register With Adjustable Damper For Ceiling Wall HVAC Heat Cold
Amazon.com
25
Free shipping
$43.99
4 Pack Air Ceiling Vent Cover Grille 8"W X 8"H Duct Opening Size, 2 Way Steel Grille Register With Adjustable Damper For Ceiling Wall HVAC Heat Cold
Amazon.com
25
$548.38
Dayton 57"H-W 5 1/4"L Aluminum Backdraft Damper: For 54 in Fan, Double Panel, 57 in H, 57 in W, 3 in D Model: 3HHP1
Grainger
$548.38
Dayton 57"H-W 5 1/4"L Aluminum Backdraft Damper: For 54 in Fan, Double Panel, 57 in H, 57 in W, 3 in D Model: 3HHP1
Grainger
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    Shop ceiling damper

    Sponsored
    About our ads
    $419.20
    Dayton 40"H-W Aluminum Ceiling Truss Damper: For 42 in Fan, Single Panel, 42 in H, 40 in W, 1 3/8 in D Model: 3HHR8
    Grainger
    1
    $419.20
    Dayton 40"H-W Aluminum Ceiling Truss Damper: For 42 in Fan, Single Panel, 42 in H, 40 in W, 1 3/8 in D Model: 3HHR8
    Grainger
    1
    $38.05
    $44.13
    Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
    Amazon.com
    125
    Free shipping
    13% off
    $38.05
    $44.13
    Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
    Amazon.com
    125
    $58.00
    Havaco 2'X2' Lay-In 3 Cone Supply With 8" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
    Amazon.com
    237
    Free shipping
    $58.00
    Havaco 2'X2' Lay-In 3 Cone Supply With 8" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
    Amazon.com
    237
    $521.40
    Dayton 50"H-W 4.5"L Alu Ceiling Shutter Dampr: For 48 in Fan, Single Panel, 50 in H, 50 in W, 1 5/8 in D Model: 3C243
    Grainger
    $521.40
    Dayton 50"H-W 4.5"L Alu Ceiling Shutter Dampr: For 48 in Fan, Single Panel, 50 in H, 50 in W, 1 5/8 in D Model: 3C243
    Grainger
    $28.22
    $31.57
    Rectorseal Truaire Retrofit Grille/Damper 81904 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 6X6 4Way, Grille/
    Amazon.com
    10% off
    $28.22
    $31.57
    Rectorseal Truaire Retrofit Grille/Damper 81904 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 6X6 4Way, Grille/
    Amazon.com
    $58.00
    Havaco 2'X2' Lay-In 3 Cone Supply With 12" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
    Amazon.com
    277
    Free shipping
    $58.00
    Havaco 2'X2' Lay-In 3 Cone Supply With 12" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
    Amazon.com
    277
    $52.59
    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
    $52.59
    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
    $35.78
    Rectorseal Truaire Retrofit Grille/Damper MV3 81913 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 3 Way
    Amazon.com
    118
    Free shipping
    $35.78
    Rectorseal Truaire Retrofit Grille/Damper MV3 81913 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 3 Way
    Amazon.com
    118
    $64.42
    Dayton 15.8"H-W 4.5"L Alu Spring Bkdrft Dampr: For 16 in Fan, For 16 in Nominal Duct Dia, Single Panel Model: 3HHL5
    Grainger
    $64.42
    Dayton 15.8"H-W 4.5"L Alu Spring Bkdrft Dampr: For 16 in Fan, For 16 in Nominal Duct Dia, Single Panel Model: 3HHL5
    Grainger
    $155.82
    Dayton 29.7"H-W Aluminum Ceiling Truss Damper: For 24 in Fan, Single Panel, 30 3/4 in H, 29 3/4 in W, Felt Model: 4HA10
    Grainger
    $155.82
    Dayton 29.7"H-W Aluminum Ceiling Truss Damper: For 24 in Fan, Single Panel, 30 3/4 in H, 29 3/4 in W, Felt Model: 4HA10
    Grainger
    $92.96
    Delta Breez CRD2 GBR Ceiling Radiation Damper | Supplyhouse.Com
    SupplyHouse.com
    $92.96
    Delta Breez CRD2 GBR Ceiling Radiation Damper | Supplyhouse.Com
    SupplyHouse.com
    $105.00
    Delta Breez SIG-CRD SIG Ceiling Radiation Damper | Supplyhouse.Com
    SupplyHouse.com
    $105.00
    Delta Breez SIG-CRD SIG Ceiling Radiation Damper | Supplyhouse.Com
    SupplyHouse.com
    $162.70
    Broan 12.5"H-W Manual Ceiling Radiation Damper Model: RD1
    Grainger
    $162.70
    Broan 12.5"H-W Manual Ceiling Radiation Damper Model: RD1
    Grainger
    $120.99
    Dayton 24 in 29.7"H-W Aluminum Ceiling Truss Damper, 28-3/4 in X 27-11/16 In, Aluminum 4HA10
    Zoro.com
    30-day returns (most items)
    $120.99
    Dayton 24 in 29.7"H-W Aluminum Ceiling Truss Damper, 28-3/4 in X 27-11/16 In, Aluminum 4HA10
    Zoro.com
    30-day returns
    $44.93
    Dayton 11.75"H-W 4.5"L Alu Univ Backdraft Dampr: For 12 in Fan, For 12 in Nominal Duct Dia, Single Panel Model: 2FTX4
    Grainger
    $44.93
    Dayton 11.75"H-W 4.5"L Alu Univ Backdraft Dampr: For 12 in Fan, For 12 in Nominal Duct Dia, Single Panel Model: 2FTX4
    Grainger
    $300.79
    Dayton 47.75"H-W 4.5"L Aluminum Backdraft Dampr: For 48 in Fan, For 48 in Nominal Duct Dia, Single Panel Model: 3HHN3
    Grainger
    1
    $300.79
    Dayton 47.75"H-W 4.5"L Aluminum Backdraft Dampr: For 48 in Fan, For 48 in Nominal Duct Dia, Single Panel Model: 3HHN3
    Grainger
    1
    $107.57
    Dayton 25"H-W 5.75"L Alu Wall Backdraft Dampr: For 20 in Fan, Single Panel, 25 in H, 25 in W, 2 1/2 in D Model: 53DR11
    Grainger
    $107.57
    Dayton 25"H-W 5.75"L Alu Wall Backdraft Dampr: For 20 in Fan, Single Panel, 25 in H, 25 in W, 2 1/2 in D Model: 53DR11
    Grainger
    $66.49
    PATIKIL 10" HVAC Duct Manual Volume Damper, Stainless Steel Adjustment Flame Retardant Airflow Backdraft Damper Control For HVAC Air Balancing System,
    Amazon.com
    6
    Free shipping
    $66.49
    PATIKIL 10" HVAC Duct Manual Volume Damper, Stainless Steel Adjustment Flame Retardant Airflow Backdraft Damper Control For HVAC Air Balancing System,
    Amazon.com
    6