Round dampers Rectangular Shape
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![EWC Controls 16X16 ND-15S 16X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_0e7e235f-0592-4596-9164-28cfb4213ad8_medium.png?v=1720000371)
16X16 ND-15S | 16X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 16X16 ND-15S
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![Braeburn 112014 Rectangular Damper | 20x14 MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PC_SR-Rectangular_624f181a-4105-4b77-ae1b-0767525adf1c_medium.jpg?v=1720004985)
112014 | Rectangular Damper | 20x14 MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Braeburn
Brand: Braeburn
SKU: 112014
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![Braeburn 111008 Rectangular Damper | 10x8 MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PC_SR-Rectangular_65aafe85-4d32-473f-bb0d-ddc43b8b1847_medium.jpg?v=1720004960)
111008 | Rectangular Damper | 10x8 MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Braeburn
Brand: Braeburn
SKU: 111008
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![EWC Controls 28X22 ND-15S 28X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_01e5121d-4a72-4250-8324-e98c1efe4929_medium.png?v=1720000361)
28X22 ND-15S | 28X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 28X22 ND-15S
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![EWC Controls 26X26 ND-15S 26X26 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a84a7543-a3b1-4ea0-b849-912551a740b8_medium.png?v=1720000360)
26X26 ND-15S | 26X26 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 26X26 ND-15S
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![EWC Controls 20X22 ND-15S 20X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_dd02235f-843d-4a04-84a3-c318e3421592_medium.png?v=1720000360)
20X22 ND-15S | 20X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X22 ND-15S
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![EWC Controls 30X18 ND-RSD NO Rectangular Damper | 30X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_42551d30-4b9a-411a-8ddd-d0a975188193_medium.png?v=1720000560)
30X18 ND-RSD NO | Rectangular Damper | 30X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 30X18 ND-RSD NO
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![EWC Controls 8X16 ND-RSD NO Rectangular Damper | 8X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_38b4ee37-6ebc-4f55-8ea9-9798e36da52a_medium.png?v=1720000556)
8X16 ND-RSD NO | Rectangular Damper | 8X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 8X16 ND-RSD NO
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![EWC Controls 8X10 ND-RSD NC Rectangular Damper | 8X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_8b8993b3-a5f2-4a53-86af-715c6f502ecb_medium.png?v=1720000541)
8X10 ND-RSD NC | Rectangular Damper | 8X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 8X10 ND-RSD NC
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![EWC Controls 8X24 ND-RSD NO Rectangular Damper | 8X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_4dc2b18f-9fd7-4a8a-8ee2-a6ec5fbbdcb5_medium.png?v=1720094307)
8X24 ND-RSD NO | Rectangular Damper | 8X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 8X24 ND-RSD NO
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![EWC Controls 28X24 ND-RSD NC Rectangular Damper | 28X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_e47aed7b-b69d-4e12-a739-81b9e4903b1f_medium.png?v=1720000507)
28X24 ND-RSD NC | Rectangular Damper | 28X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 28X24 ND-RSD NC
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![EWC Controls 26X8 ND-RSD NC Rectangular Damper | 26X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_12b82b6a-3138-4702-ad07-81eb1c4c256e_medium.png?v=1720000502)
26X8 ND-RSD NC | Rectangular Damper | 26X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 26X8 ND-RSD NC
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![EWC Controls 30X26 ND-RSD NO Rectangular Damper | 30X26 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_6707878c-b50b-41ed-b4b5-8459475fb509_medium.png?v=1720000501)
30X26 ND-RSD NO | Rectangular Damper | 30X26 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 30X26 ND-RSD NO
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![EWC Controls 24X24 ND-RSD NO Rectangular Damper | 24X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_65fd21b7-cd3b-4bfc-8d3b-190810882f74_medium.png?v=1720000487)
24X24 ND-RSD NO | Rectangular Damper | 24X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X24 ND-RSD NO
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![EWC Controls 16X14 ND-RSD NC Rectangular Damper | 16X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_2785b0fd-3811-4035-8ada-9de8c8933d7a_medium.png?v=1720000477)
16X14 ND-RSD NC | Rectangular Damper | 16X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 16X14 ND-RSD NC
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![EWC Controls 22X18 ND-RSD NC Rectangular Damper | 22X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_f39aefef-b535-4e4a-9aae-1fcec07a7436_medium.png?v=1720000469)
22X18 ND-RSD NC | Rectangular Damper | 22X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X18 ND-RSD NC
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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 20X16 ND-15S 20X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_4c1c2e8b-59c4-4f3a-b5bb-afd3cd97ee74_medium.png?v=1720000408)
20X16 ND-15S | 20X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X16 ND-15S
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![EWC Controls 12X12 EBD 12X12 Rectangular Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd_55157008-b0f0-4263-abce-0cabc1295fd7_medium.gif?v=1720000403)
12X12 EBD | 12X12 Rectangular Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 12X12 EBD
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![EWC Controls 24X24 ND-15S 24X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_8eae603a-424c-458a-81ca-0961d961c68b_medium.png?v=1720000398)
24X24 ND-15S | 24X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 24X24 ND-15S
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![EWC Controls 8X6 ND-15S 8X6 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_cd90a8c3-2ddd-416b-8413-8155393ec214_medium.png?v=1720000394)
8X6 ND-15S | 8X6 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 8X6 ND-15S
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![EWC Controls 20X24 ND-15S 20X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_cb3975f7-642c-40ff-b3c6-e0aab1d0dd96_medium.png?v=1720000393)
20X24 ND-15S | 20X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X24 ND-15S
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![EWC Controls 16X22 ND-15S 16X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_9df0078d-bf74-494c-afdc-a3458c21514b_medium.png?v=1720094298)
16X22 ND-15S | 16X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 16X22 ND-15S
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![EWC Controls 18X20 ND-15S 18X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_decd2aac-6f4c-4681-b053-e356c0aa6b0e_medium.png?v=1720000375)
18X20 ND-15S | 18X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 18X20 ND-15S
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