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![EWC Controls 8X30 ND-RSD NO Rectangular Damper | 8X30 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_2c37155c-3007-4c96-b4a1-6c41954bac77_medium.png?v=1720094320)
8X30 ND-RSD NO | Rectangular Damper | 8X30 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 8X30 ND-RSD NO
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![EWC Controls 28X12 ND-RSD NC Rectangular Damper | 28X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_389d49e9-44c0-436a-bb37-3e4cd6c6d285_medium.png?v=1720094306)
28X12 ND-RSD NC | Rectangular Damper | 28X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 28X12 ND-RSD NC
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![EWC Controls 28X20 ND-RSD NO Rectangular Damper | 28X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_9f8c5d8e-0a59-42a9-8ce1-6c8658165104_medium.png?v=1720094306)
28X20 ND-RSD NO | Rectangular Damper | 28X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 28X20 ND-RSD NO
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![EWC Controls 26X18 ND Rectangular Damper | 26X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2ecf3822-7aea-4ece-85de-9b6ab77103ff_medium.png?v=1720000526)
26X18 ND | Rectangular Damper | 26X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X18 ND
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![EWC Controls 14X30 ND Rectangular Damper | 14X30 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_cdc69de9-4892-40dd-9983-c6a9051998b1_medium.png?v=1720000526)
14X30 ND | Rectangular Damper | 14X30 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X30 ND
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![EWC Controls 26X8 ND Rectangular Damper | 26X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_86797192-e582-4f45-93ae-b12446df9763_medium.png?v=1720000526)
26X8 ND | Rectangular Damper | 26X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X8 ND
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![EWC Controls 30X12 ND-RSD NC Rectangular Damper | 30X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_8935c028-2ef0-485d-b43f-81b9756f6002_medium.png?v=1720000522)
30X12 ND-RSD NC | Rectangular Damper | 30X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 30X12 ND-RSD NC
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![EWC Controls 8X10 ND-RSD NO Rectangular Damper | 8X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_151fd970-b08e-4aed-ae0d-fa4982267f65_medium.png?v=1720000526)
8X10 ND-RSD NO | Rectangular Damper | 8X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 8X10 ND-RSD NO
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![EWC Controls 30X14 ND Rectangular Damper | 30X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_134a7200-a316-4e72-af4e-77b9ceb8c7d2_medium.png?v=1720000521)
30X14 ND | Rectangular Damper | 30X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X14 ND
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![EWC Controls 24X14 ND-RSD NC Rectangular Damper | 24X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_77d4adac-1872-4360-b644-a2eaafb7f076_medium.png?v=1720000516)
24X14 ND-RSD NC | Rectangular Damper | 24X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X14 ND-RSD NC
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![EWC Controls 28X8 ND Rectangular Damper | 28X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_7434839f-01ee-42c9-8c56-441ba6e900ac_medium.png?v=1720000512)
28X8 ND | Rectangular Damper | 28X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X8 ND
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![EWC Controls 24X8 ND-RSD NC Rectangular Damper | 24X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED] | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_66e50b39-12e9-467b-8c18-c50448937573_medium.png?v=1720000512)
24X8 ND-RSD NC | Rectangular Damper | 24X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED] | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X8 ND-RSD NC
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![EWC Controls 22X6 ND Rectangular Damper | 22X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_944067ec-1977-4f9d-9915-323b39caeeac_medium.png?v=1720000512)
22X6 ND | Rectangular Damper | 22X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X6 ND
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![EWC Controls 24X18 ND-RSD NC Rectangular Damper | 24X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_3f59db1a-8882-4d13-9912-866055427136_medium.png?v=1720000507)
24X18 ND-RSD NC | Rectangular Damper | 24X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X18 ND-RSD NC
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![EWC Controls 24X14 ND-RSD NO Rectangular Damper | 24X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_516b21c2-2824-4910-a8a7-a24eccc69f21_medium.png?v=1720000506)
24X14 ND-RSD NO | Rectangular Damper | 24X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X14 ND-RSD NO
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![EWC Controls 22X16 ND Rectangular Damper | 22X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_835def54-06f4-40e7-856b-a4c27a62f02f_medium.png?v=1720000507)
22X16 ND | Rectangular Damper | 22X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X16 ND
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![EWC Controls 24X10 ND-RSD NC Rectangular Damper | 24X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_7a151048-b03f-499a-a92c-52add1949bb9_medium.png?v=1720000501)
24X10 ND-RSD NC | Rectangular Damper | 24X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X10 ND-RSD NC
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![EWC Controls 28X6 ND Rectangular Damper | 28X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a2bf0005-a58a-4d1f-9e8f-5e3587d74c2d_medium.png?v=1720000501)
28X6 ND | Rectangular Damper | 28X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X6 ND
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![EWC Controls 26X12 ND Rectangular Damper | 26X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_191f5cd3-521a-4969-a9cf-4cb4d66741f8_medium.png?v=1720000497)
26X12 ND | Rectangular Damper | 26X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X12 ND
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![EWC Controls 22X20 ND-RSD NO Rectangular Damper | 22X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_95acb80d-fd0b-40b5-9cd9-f390ba713bde_medium.png?v=1720000492)
22X20 ND-RSD NO | Rectangular Damper | 22X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X20 ND-RSD NO
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![EWC Controls 26X8 ND-RSD NO Rectangular Damper | 26X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_4158863a-7136-4eac-a02a-6a255ac5538a_medium.png?v=1720000492)
26X8 ND-RSD NO | Rectangular Damper | 26X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 26X8 ND-RSD NO
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![EWC Controls 26X16 ND Rectangular Damper | 26X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_db9ea990-a40d-46cc-be5f-9857997b37c9_medium.png?v=1720000496)
26X16 ND | Rectangular Damper | 26X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X16 ND
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![EWC Controls 20X20 ND-RSD NO Rectangular Damper | 20X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_efb02378-9bf5-4a9b-947c-3d3a41e56d0e_medium.png?v=1720000487)
20X20 ND-RSD NO | Rectangular Damper | 20X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 20X20 ND-RSD NO
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![EWC Controls 20X12 PRD 20X12 Rectangular Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/prd_73c64b74-d884-4f16-aa1e-1fc72db51388_medium.gif?v=1720000487)
20X12 PRD | 20X12 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 20X12 PRD
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