dampers
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![EWC Controls 24X18 ND Rectangular Damper | 24X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_092f7276-9dbb-4c2d-adf7-63152e2b68df_medium.png?v=1720000512)
24X18 ND | Rectangular Damper | 24X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X18 ND
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![EWC Controls 24X8 ND Rectangular Damper | 24X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_73118aee-cb94-4f8f-a174-91c0b9bcf26b_medium.png?v=1720000496)
24X8 ND | Rectangular Damper | 24X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X8 ND
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![EWC Controls 24X14 ND Rectangular Damper | 24X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_cc452c48-e916-4cba-acb7-5fa45c9b9269_medium.png?v=1720000496)
24X14 ND | Rectangular Damper | 24X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X14 ND
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![EWC Controls 22X10 ND-RSD NC Rectangular Damper | 22X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_c20c51d9-4c00-42d5-9373-7f60e18a8826_medium.png?v=1720000492)
22X10 ND-RSD NC | Rectangular Damper | 22X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X10 ND-RSD NC
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![EWC Controls 28X10 ND Rectangular Damper | 28X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_ad96c3a9-9c73-4c4e-90f4-db0ab8e207d0_medium.png?v=1720000492)
28X10 ND | Rectangular Damper | 28X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X10 ND
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![EWC Controls 24X8 ND-RSD NO Rectangular Damper | 24X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN] | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_816f2d75-5d55-40ba-a3e7-9eb24ad9171b_medium.png?v=1720000478)
24X8 ND-RSD NO | Rectangular Damper | 24X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN] | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X8 ND-RSD NO
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![EWC Controls 24X12 ND-RSD NC Rectangular Damper | 24X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_12f8adcd-45a6-4574-a02c-f3730c575c1d_medium.png?v=1720000473)
24X12 ND-RSD NC | Rectangular Damper | 24X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X12 ND-RSD NC
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![EWC Controls 16X8 ND-RSD NO Rectangular Damper | 16X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_0f71488a-177d-413f-ac03-4da91d50c54d_medium.png?v=1720000469)
16X8 ND-RSD NO | Rectangular Damper | 16X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 16X8 ND-RSD NO
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![EWC Controls 20X14 ND Rectangular Damper | 20X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_c83a4e39-0733-48f4-b0ba-228f4ce938d0_medium.png?v=1720000463)
20X14 ND | Rectangular Damper | 20X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X14 ND
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![EWC Controls 20X14 ND-RSD NO Rectangular Damper | 20X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_f01fc4de-2483-4245-90b1-634c896b7fd8_medium.png?v=1720000468)
20X14 ND-RSD NO | Rectangular Damper | 20X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 20X14 ND-RSD NO
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![EWC Controls 20X10 PRD 20X10 Rectangular Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/prd_2a659cc6-0407-47a1-9e93-6f841051ba87_medium.gif?v=1720000463)
20X10 PRD | 20X10 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 20X10 PRD
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![EWC Controls 12X8 SBD 12X8 SBD SMART BYPASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sbd_nd_1593777b-0406-4ef9-99bc-1336db8244a6_medium.png?v=1720094289)
12X8 SBD | 12X8 SBD SMART BYPASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X8 SBD
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![EWC Controls 16X14 ND-RSD NO Rectangular Damper | 16X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_4941406a-23ef-449a-812c-632d88de8cae_medium.png?v=1720094298)
16X14 ND-RSD NO | Rectangular Damper | 16X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 16X14 ND-RSD NO
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![EWC Controls 12X12 ND-RSD NO Rectangular Damper | 12X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_830dd105-c021-44e8-b992-7efc38e77d23_medium.png?v=1720000452)
12X12 ND-RSD NO | Rectangular Damper | 12X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 12X12 ND-RSD NO
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![EWC Controls 14X14 ND Rectangular Damper | 14X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_7d53f3f3-155f-41b4-ac53-3f97395f4adb_medium.png?v=1720000448)
14X14 ND | Rectangular Damper | 14X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X14 ND
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![EWC Controls 10X22 ND-RSD NC Rectangular Damper | 10X22 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_bde7bf96-8f66-43df-9515-0392f85a8aee_medium.png?v=1720000447)
10X22 ND-RSD NC | Rectangular Damper | 10X22 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 10X22 ND-RSD NC
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![EWC Controls 16 EBD 16 Inch Round Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd-round_69ee15f2-103a-427d-9128-834f54e33915_medium.gif?v=1720000441)
16 EBD | 16 Inch Round Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 16 EBD
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![EWC Controls 14X16 ND Rectangular Damper | 14X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_e22f1fbf-655e-4116-93ca-eeebc5aa70c4_medium.png?v=1720000442)
14X16 ND | Rectangular Damper | 14X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X16 ND
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![EWC Controls 16 RSD 16 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_157bdbe9-92dd-4d15-8f4b-3e162523101b_medium.png?v=1720000433)
16 RSD | 16 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 16 RSD
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![EWC Controls 14X16 ND-RSD NC Rectangular Damper | 14X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_3591725c-5111-41a8-b1c6-84748611e420_medium.png?v=1720000432)
14X16 ND-RSD NC | Rectangular Damper | 14X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 14X16 ND-RSD NC
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![EWC Controls 12X20 ND-RSD NO Rectangular Damper | 12X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_1fc05231-2c3b-4f8c-8468-23f693639b27_medium.png?v=1720000433)
12X20 ND-RSD NO | Rectangular Damper | 12X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 12X20 ND-RSD NO
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![EWC Controls 14 EBD 14 Inch Round Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd-round_b382133d-873b-4135-a8e9-8d6dbc58cb40_medium.gif?v=1720000433)
14 EBD | 14 Inch Round Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 14 EBD
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![EWC Controls 14X14 ND-RSD NC Rectangular Damper | 14X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_0f00f23e-144c-40de-aceb-63b2c2820aeb_medium.png?v=1720000432)
14X14 ND-RSD NC | Rectangular Damper | 14X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 14X14 ND-RSD NC
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![EWC Controls 16X20 ND-RSD NO Rectangular Damper | 16X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_9c86dc2b-5d68-4105-89a0-8e3d2cee85b2_medium.png?v=1720000428)
16X20 ND-RSD NO | Rectangular Damper | 16X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 16X20 ND-RSD NO
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