Double Mass-Spring Damper System

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$266.22

Dayton 14"Dia Galvanized Steel Fire Damper: Dynamic, 14 in Duct, 14 in L, Galvanized Steel Frame, Spring Model: 2TFZ9

Grainger

$266.22

Dayton 14"Dia Galvanized Steel Fire Damper: Dynamic, 14 in Duct, 14 in L, Galvanized Steel Frame, Spring Model: 2TFZ9

Grainger

$46.95

RDP Spring-Loaded Inline Butterfly Backdraft Damper - 10 Inch

Roofing Direct

$46.95

RDP Spring-Loaded Inline Butterfly Backdraft Damper - 10 Inch

Roofing Direct

$618.85

Dayton 15.75"H 16"L 16"W Motrzd Fire/Smke Dampr: Dynamic, 24V AC, 15 3/4 in H, 16 in W, 16 in L, Motorized Model: 3HGJ6

Grainger

$618.85

Dayton 15.75"H 16"L 16"W Motrzd Fire/Smke Dampr: Dynamic, 24V AC, 15 3/4 in H, 16 in W, 16 in L, Motorized Model: 3HGJ6

Grainger

$14.99

Malco Dr71 Damper Regulator Hardware Double Bearing 1-Spring Bearing Pack, From Malco Products Inc.

Best Materials LLC

$14.99

Malco Dr71 Damper Regulator Hardware Double Bearing 1-Spring Bearing Pack, From Malco Products Inc.

Best Materials LLC

$797.34

Dayton 47.8"H-W 14.5"L Squ Mtrzd Contrl Dampr: For 48 in Dia, 14 1/2 in L, 47 3/4 in H, 47 3/4 in W, Single Model: 5NKK8

Grainger

$797.34

Dayton 47.8"H-W 14.5"L Squ Mtrzd Contrl Dampr: For 48 in Dia, 14 1/2 in L, 47 3/4 in H, 47 3/4 in W, Single Model: 5NKK8

Grainger

$86.38

Dayton 7.75"H-W 3.7"L Square Spring Fire Damper: Static, 7 3/4 in H, 7 3/4 in W, 3 3/4 in L, Spring Model: 2TGC9

Grainger

$86.38

Dayton 7.75"H-W 3.7"L Square Spring Fire Damper: Static, 7 3/4 in H, 7 3/4 in W, 3 3/4 in L, Spring Model: 2TGC9

Grainger

$293.61

Honeywell Home 16"Dia Nrm Opn Rnd Stel Zone Cntrl Dampr: For 16 in Dia, 4 7/8 in L, 4 5/8 in H, 16 in W, Steel Model: ARD16TZ

Grainger

$293.61

Honeywell Home 16"Dia Nrm Opn Rnd Stel Zone Cntrl Dampr: For 16 in Dia, 4 7/8 in L, 4 5/8 in H, 16 in W, Steel Model: ARD16TZ

Grainger

$116.74

Dayton Fire Damper: Static, 11 3/4 in H, 15 3/4 in W, 3 3/4 in L, Galvanized Steel Frame, Spring Model: 2TGE1

Grainger

$116.74

Dayton Fire Damper: Static, 11 3/4 in H, 15 3/4 in W, 3 3/4 in L, Galvanized Steel Frame, Spring Model: 2TGE1

Grainger

$221.84

Motorized Damper: 12 in Duct, 16 in H, 12 in W, 12 in L, Steel, Linkage Model: VCDR-53-12-KIT

Grainger

$221.84

Motorized Damper: 12 in Duct, 16 in H, 12 in W, 12 in L, Steel, Linkage Model: VCDR-53-12-KIT

Grainger

$616.46

Dayton Round Fire/Smoke Damper,Galvst 7.9" Dia: Dynamic, 120V AC, 8 in Duct, 7 7/8 in H, 15 5/8 in W Model: 3HGL5

Grainger

$616.46

Dayton Round Fire/Smoke Damper,Galvst 7.9" Dia: Dynamic, 120V AC, 8 in Duct, 7 7/8 in H, 15 5/8 in W Model: 3HGL5

Grainger

$88.93

Dayton Fire Damper: Dynamic, 7 3/4 in H, 7 3/4 in W, 3 3/4 in L, Galvanized Steel Frame, Spring Model: 2TGE7

Grainger

$88.93

Dayton Fire Damper: Dynamic, 7 3/4 in H, 7 3/4 in W, 3 3/4 in L, Galvanized Steel Frame, Spring Model: 2TGE7

Grainger

$381.72

Dayton 27"H-W 12"L Squ Alu Mtrzd Cntrl Dampr: 12 in L, 27 in H, 27 in W, 1 1/2 in Flange Wd, Aluminum Model: 3C315

Grainger

$381.72

Dayton 27"H-W 12"L Squ Alu Mtrzd Cntrl Dampr: 12 in L, 27 in H, 27 in W, 1 1/2 in Flange Wd, Aluminum Model: 3C315

Grainger

$13.56

NATGAI Ceiling Spring Vibration Isolator Hangers For A/C Air Handler Bedroom Theater Studio, Anti Vibration, 110 Lb Capacity, 1.20" Deflection(4

Amazon.com

$13.56

NATGAI Ceiling Spring Vibration Isolator Hangers For A/C Air Handler Bedroom Theater Studio, Anti Vibration, 110 Lb Capacity, 1.20" Deflection(4

Amazon.com

$75.99

Suncourt Zonemaster 6-Inch Normally Closed Motorized Damper - Power Open/Spring Close 24V Vent Damper, Transformer Included (ZC206)

Amazon.com

Free shipping

$75.99

Suncourt Zonemaster 6-Inch Normally Closed Motorized Damper - Power Open/Spring Close 24V Vent Damper, Transformer Included (ZC206)

Amazon.com

$111.00

LLOYD INDUSTRIES AC30 - HVAC & HVAC Damper Supplies

Radwell.com

$111.00

LLOYD INDUSTRIES AC30 - HVAC & HVAC Damper Supplies

Radwell.com

$99.99

Dayton 10"Dia Gsteel Manual Balancing Dampr: 10 in Duct, 6 3/8 in L, Steel, Locking Manual Quadrant Model: 2TFX9

Grainger

$99.99

Dayton 10"Dia Gsteel Manual Balancing Dampr: 10 in Duct, 6 3/8 in L, Steel, Locking Manual Quadrant Model: 2TFX9

Grainger

$265.00

SERIES 1500 SW - Tamco Pneumatic Damper Pneumatic (New)

Electrical.com

$265.00

SERIES 1500 SW - Tamco Pneumatic Damper Pneumatic (New)

Electrical.com

$282.43

Dayton 23.75"H-W 5"L Gstl Volume Control Dampr: 5 in L, 23 3/4 in H, 23 3/4 in W, Hat Channel, Single Model: 2LRZ1

Grainger

$282.43

Dayton 23.75"H-W 5"L Gstl Volume Control Dampr: 5 in L, 23 3/4 in H, 23 3/4 in W, Hat Channel, Single Model: 2LRZ1

Grainger