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![EWC Controls 16X6 ND-RSD NC Rectangular Damper | 16X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_e0574163-c4aa-427f-9ab2-cf159bb206a4_medium.png?v=1720000447)
16X6 ND-RSD NC | Rectangular Damper | 16X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 16X6 ND-RSD NC
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![EWC Controls 16X12 ND-RSD NC Rectangular Damper | 16X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_d3b2ef36-c3fb-40f4-957f-e878547a32b9_medium.png?v=1720000446)
16X12 ND-RSD NC | Rectangular Damper | 16X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 16X12 ND-RSD NC
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![EWC Controls 16X26 ND-RSD NC Rectangular Damper | 16X26 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_d90c5a42-0b81-4cbb-a081-072ded57bd85_medium.png?v=1720000446)
16X26 ND-RSD NC | Rectangular Damper | 16X26 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 16X26 ND-RSD NC
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![EWC Controls 16X22 ND-RSD NO Rectangular Damper | 16X22 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_5f7e2e32-59e8-4e9f-9eb8-d6e724a6169d_medium.png?v=1720000442)
16X22 ND-RSD NO | Rectangular Damper | 16X22 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 16X22 ND-RSD NO
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![EWC Controls 14X26 ND Rectangular Damper | 14X26 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_e395d9a2-300f-4709-a966-2462c4c2d406_medium.png?v=1720000442)
14X26 ND | Rectangular Damper | 14X26 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X26 ND
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![EWC Controls 16X30 ND Rectangular Damper | 16X30 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_b0ee7fd3-ffd8-4016-9779-8b0bb2d123fd_medium.png?v=1720000438)
16X30 ND | Rectangular Damper | 16X30 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X30 ND
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![EWC Controls 10X28 ND-15S 10X28 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_5aeb9265-3894-4165-b928-9e67c9041521_medium.png?v=1720000437)
10X28 ND-15S | 10X28 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 10X28 ND-15S
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![EWC Controls 12X26 ND-RSD NC Rectangular Damper | 12X26 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_b19ce48d-23e7-4e24-9b4e-58d28f71422e_medium.png?v=1720000436)
12X26 ND-RSD NC | Rectangular Damper | 12X26 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 12X26 ND-RSD NC
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![EWC Controls 12 PRD-RD 12 Inch Round Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bypass1_dd493878-bd82-4df1-9ae8-213216dccdde_medium.jpg?v=1720000432)
12 PRD-RD | 12 Inch Round Manual Bypass Damper | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 12 PRD-RD
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![EWC Controls 16X18 ND Rectangular Damper | 16X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_4c2e79fd-1294-4770-9172-ff6c02c1d7c7_medium.png?v=1720000432)
16X18 ND | Rectangular Damper | 16X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X18 ND
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![EWC Controls 14X20 ND Rectangular Damper | 14X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_74eeb562-28b4-480a-b179-2188761175b4_medium.png?v=1720000428)
14X20 ND | Rectangular Damper | 14X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X20 ND
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![EWC Controls 12X30 ND-RSD NC Rectangular Damper | 12X30 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_761f1e9a-a4d7-40e2-a9b5-6d94e528d627_medium.png?v=1720000428)
12X30 ND-RSD NC | Rectangular Damper | 12X30 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 12X30 ND-RSD NC
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![EWC Controls 14X22 ND Rectangular Damper | 14X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_4340c020-03ce-4a5d-8fbf-7344da822070_medium.png?v=1720000428)
14X22 ND | Rectangular Damper | 14X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X22 ND
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![EWC Controls 14X20 ND-RSD NO Rectangular Damper | 14X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_44575164-6fe7-4cc4-be81-ac324407c15e_medium.png?v=1720000423)
14X20 ND-RSD NO | Rectangular Damper | 14X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 14X20 ND-RSD NO
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![EWC Controls 12X30 ND-RSD NO Rectangular Damper | 12X30 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_26b5c603-642a-4138-b7f7-34558abd7d47_medium.png?v=1720000423)
12X30 ND-RSD NO | Rectangular Damper | 12X30 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 12X30 ND-RSD NO
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![EWC Controls 12X26 ND Rectangular Damper | 12X26 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_4f461801-fdd4-4612-befc-d12b73cc93b8_medium.png?v=1720000423)
12X26 ND | Rectangular Damper | 12X26 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X26 ND
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![EWC Controls 14X28 ND Rectangular Damper | 14X28 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_49f11292-5f46-4231-a265-633c870f9a62_medium.png?v=1720000423)
14X28 ND | Rectangular Damper | 14X28 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X28 ND
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![EWC Controls 24X12 ND-15S 24X12 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_fd3719ce-4ea4-4ed4-873d-82ec0032fcda_medium.png?v=1720000423)
24X12 ND-15S | 24X12 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 24X12 ND-15S
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![EWC Controls 10X24 ND-RSD NO Rectangular Damper | 10X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_8f76bcae-6401-412c-bc55-12dfb291972b_medium.png?v=1720000422)
10X24 ND-RSD NO | Rectangular Damper | 10X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 10X24 ND-RSD NO
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![EWC Controls 12X8 ND-RSD NO Rectangular Damper | 12X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_fe092832-a16b-4c5b-b1f2-e538b9743c65_medium.png?v=1720000418)
12X8 ND-RSD NO | Rectangular Damper | 12X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 12X8 ND-RSD NO
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![EWC Controls 10X8 ND-RSD NO Rectangular Damper | 10X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_1e1f5449-6826-47c2-a7c4-4f3d6aa85221_medium.png?v=1720000418)
10X8 ND-RSD NO | Rectangular Damper | 10X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 10X8 ND-RSD NO
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![EWC Controls 12X16 ND-RSD NO Rectangular Damper | 12X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_ea24645c-618c-481f-8955-b6640766ab32_medium.png?v=1720000413)
12X16 ND-RSD NO | Rectangular Damper | 12X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 12X16 ND-RSD NO
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![EWC Controls 26X24 ND-15S 26X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_b7300082-cb79-4724-b7a5-5ea8143893b2_medium.png?v=1720000413)
26X24 ND-15S | 26X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 26X24 ND-15S
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