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![EWC Controls 8X24 ND-15S 8X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_07284d42-472f-436c-a3e2-714fd2d6c0f1_medium.png?v=1720000447)
8X24 ND-15S | 8X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 8X24 ND-15S
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![EWC Controls 18X20 ND-RSD NO Rectangular Damper | 18X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_9db26495-d6d0-46d6-8eb6-181824a7fb3a_medium.png?v=1720000442)
18X20 ND-RSD NO | Rectangular Damper | 18X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 18X20 ND-RSD NO
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![EWC Controls 16X28 ND-RSD NO Rectangular Damper | 16X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_652e7a2e-6755-4645-81ca-e2e07ad3aa63_medium.png?v=1720000441)
16X28 ND-RSD NO | Rectangular Damper | 16X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 16X28 ND-RSD NO
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![EWC Controls 14X28 ND-RSD NO Rectangular Damper | 14X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_dca9002d-844f-4e95-8fcb-f69cb41e843b_medium.png?v=1720000441)
14X28 ND-RSD NO | Rectangular Damper | 14X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 14X28 ND-RSD NO
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![EWC Controls 14X26 ND-RSD NO Rectangular Damper | 14X26 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_308e4dfb-60d8-4d25-a04f-fd79b68850c6_medium.png?v=1720000441)
14X26 ND-RSD NO | Rectangular Damper | 14X26 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 14X26 ND-RSD NO
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![EWC Controls 16X10 ND-RSD NC Rectangular Damper | 16X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_c13c7a3d-dad8-4620-9e28-fd4a1bc81340_medium.png?v=1720000442)
16X10 ND-RSD NC | Rectangular Damper | 16X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 16X10 ND-RSD NC
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![EWC Controls 14X18 ND Rectangular Damper | 14X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_d55c4e93-fcd1-4c30-a798-5a195c2d61d3_medium.png?v=1720000438)
14X18 ND | Rectangular Damper | 14X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X18 ND
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![EWC Controls 16X16 ND-RSD NO Rectangular Damper | 16X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_97ad10a4-b5e6-44ab-841a-509fe95ffc3a_medium.png?v=1720000436)
16X16 ND-RSD NO | Rectangular Damper | 16X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 16X16 ND-RSD NO
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![EWC Controls 12X30 ND Rectangular Damper | 12X30 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_133dfd7a-ba07-454d-918d-20ca1540738d_medium.png?v=1720000437)
12X30 ND | Rectangular Damper | 12X30 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X30 ND
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![EWC Controls 14X24 ND Rectangular Damper | 14X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_184a1843-28cf-4caa-9f7d-8f770de55a61_medium.png?v=1720000437)
14X24 ND | Rectangular Damper | 14X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X24 ND
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![EWC Controls 14X12 ND-RSD NO Rectangular Damper | 14X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_d0ce1a9f-335d-4ea0-8ac4-8eb7f86a1701_medium.png?v=1720000432)
14X12 ND-RSD NO | Rectangular Damper | 14X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 14X12 ND-RSD NO
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![EWC Controls 14X6 ND-RSD NO Rectangular Damper | 14X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_9c7d526e-45ba-446b-b070-c33d7ea5c755_medium.png?v=1720000433)
14X6 ND-RSD NO | Rectangular Damper | 14X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 14X6 ND-RSD NO
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![EWC Controls 14X8 ND-RSD NO Rectangular Damper | 14X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_a42d8f67-9dac-4ad7-ad14-65bbf026b29b_medium.png?v=1720000432)
14X8 ND-RSD NO | Rectangular Damper | 14X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 14X8 ND-RSD NO
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![EWC Controls 16X28 ND-RSD NC Rectangular Damper | 16X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_76e16e0a-09d5-42df-8193-36c14970b6c3_medium.png?v=1720000428)
16X28 ND-RSD NC | Rectangular Damper | 16X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 16X28 ND-RSD NC
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![EWC Controls 12X20 ND-RSD NC Rectangular Damper | 12X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_50a9d78b-cd36-4e6d-98c8-f7c9d1194852_medium.png?v=1720000423)
12X20 ND-RSD NC | Rectangular Damper | 12X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 12X20 ND-RSD NC
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![EWC Controls 12X22 ND Rectangular Damper | 12X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_b8b8306f-4c03-482c-b3d1-742fe027ce13_medium.png?v=1720000424)
12X22 ND | Rectangular Damper | 12X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X22 ND
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![EWC Controls 10 PRD-RD 10 Inch Round Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bypass1_59c2469d-f9d8-450f-a14f-7765666156c8_medium.jpg?v=1720000418)
10 PRD-RD | 10 Inch Round Manual Bypass Damper | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 10 PRD-RD
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![EWC Controls 10x6 ND-15S 10X6 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_4e74e49e-ba6d-4c87-a34b-4e0e1396771e_medium.png?v=1720000418)
10x6 ND-15S | 10X6 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 10x6 ND-15S
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![EWC Controls 12X24 ND Rectangular Damper | 12X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_18072996-b061-4847-9a8f-1365d0ceeadc_medium.png?v=1720000419)
12X24 ND | Rectangular Damper | 12X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X24 ND
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![EWC Controls 14X12 ND-RSD NC Rectangular Damper | 14X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_51b462ea-060f-4e3b-b520-3b761e576c70_medium.png?v=1720000418)
14X12 ND-RSD NC | Rectangular Damper | 14X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 14X12 ND-RSD NC
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![EWC Controls 14X10 ND-RSD NO Rectangular Damper | 14X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_63c32f11-21e6-4387-a250-14d62d12967e_medium.png?v=1720000418)
14X10 ND-RSD NO | Rectangular Damper | 14X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 14X10 ND-RSD NO
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![EWC Controls 14X18 ND-RSD NO Rectangular Damper | 14X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_22998465-36b1-4f3d-a5a0-a8b63a878dcf_medium.png?v=1720000413)
14X18 ND-RSD NO | Rectangular Damper | 14X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 14X18 ND-RSD NO
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![EWC Controls 12X22 ND-RSD NO Rectangular Damper | 12X22 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_c56a8574-70f1-4a55-931a-7628a5ff0b70_medium.png?v=1720000413)
12X22 ND-RSD NO | Rectangular Damper | 12X22 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 12X22 ND-RSD NO
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![EWC Controls 30X30 ND-15S 30X30 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_458fc75d-0c1b-4966-ac74-100b65e2fbc6_medium.png?v=1720000409)
30X30 ND-15S | 30X30 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 30X30 ND-15S
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