Dampers Rectangular Shape
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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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![EWC Controls 10X30 ND Rectangular Damper | 10X30 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a87135a0-d290-4349-9d75-74599963ba87_medium.png?v=1720000409)
10X30 ND | Rectangular Damper | 10X30 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X30 ND
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![EWC Controls 12X14 ND-RSD NC Rectangular Damper | 12X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_b257ec5a-8448-4d5f-b0b5-22ba49eee599_medium.png?v=1720000408)
12X14 ND-RSD NC | Rectangular Damper | 12X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 12X14 ND-RSD NC
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![EWC Controls 12X22 ND-RSD NC Rectangular Damper | 12X22 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_a54c3a5e-df03-456a-abad-e71eeb65810d_medium.png?v=1720000409)
12X22 ND-RSD NC | Rectangular Damper | 12X22 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 12X22 ND-RSD NC
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![EWC Controls 28X10 ND-15S 28X10 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_9645470e-7ef0-466e-b806-7526c9198590_medium.png?v=1720000408)
28X10 ND-15S | 28X10 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 28X10 ND-15S
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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 12X6 ND-RSD NC Rectangular Damper | 12X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_40f6aa37-a437-4f8d-83dc-41040f73f758_medium.png?v=1720000403)
12X6 ND-RSD NC | Rectangular Damper | 12X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 12X6 ND-RSD NC
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![EWC Controls 12X10 EBD 12X10 Rectangular Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd_e0909743-8d46-4d27-bf3d-14a1eb52147d_medium.gif?v=1720000408)
12X10 EBD | 12X10 Rectangular Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 12X10 EBD
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![EWC Controls 20X14 ND-15S 20X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_4d93c2c9-e9b4-4ded-9041-f5af499f44e4_medium.png?v=1720000408)
20X14 ND-15S | 20X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X14 ND-15S
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![EWC Controls 12X8 EBD 12X8 Rectangular Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd_f4521d37-230c-47ad-a2e0-c01d11e6812d_medium.gif?v=1720000403)
12X8 EBD | 12X8 Rectangular Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 12X8 EBD
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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 10X16 ND-15S 10X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2988f1cc-d98e-43eb-b02b-30a38d75f0b3_medium.png?v=1720000398)
10X16 ND-15S | 10X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 10X16 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 24X14 ND-15S 24X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_67fa9b63-b44c-4d78-8a6c-06de58681ab7_medium.png?v=1720000398)
24X14 ND-15S | 24X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 24X14 ND-15S
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