Dampers Rectangular Shape
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![EWC Controls 24X6 ND-RSD NC Rectangular Damper | 24X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_84d3a1fb-dd88-4894-94f6-8c5db06291e6_medium.png?v=1720000517)
24X6 ND-RSD NC | Rectangular Damper | 24X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X6 ND-RSD NC
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![EWC Controls 28X28 ND-RSD NO Rectangular Damper | 28X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_46683d15-4116-4ae9-918b-e0f935b11374_medium.png?v=1720000516)
28X28 ND-RSD NO | Rectangular Damper | 28X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 28X28 ND-RSD NO
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![EWC Controls 26X24 ND Rectangular Damper | 26X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_562de919-969d-4edd-8f92-5b887a8cbafd_medium.png?v=1720000517)
26X24 ND | Rectangular Damper | 26X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X24 ND
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![EWC Controls 24X20 ND Rectangular Damper | 24X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2a8cea64-552a-469f-aa55-2ca8ecdec03b_medium.png?v=1720000512)
24X20 ND | Rectangular Damper | 24X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X20 ND
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![EWC Controls 30X8 ND-RSD NC Rectangular Damper | 30X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_ba142781-6544-47d7-9020-e361d2d79192_medium.png?v=1720000512)
30X8 ND-RSD NC | Rectangular Damper | 30X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 30X8 ND-RSD NC
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![EWC Controls 28X20 ND Rectangular Damper | 28X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_9e7b0efe-b16a-473c-a1f7-02a18c9eb3ef_medium.png?v=1720000512)
28X20 ND | Rectangular Damper | 28X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X20 ND
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![EWC Controls 26X14 ND-RSD NC Rectangular Damper | 26X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_91e4b975-2550-4166-8442-f3487d5873c4_medium.png?v=1720000507)
26X14 ND-RSD NC | Rectangular Damper | 26X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 26X14 ND-RSD NC
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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 28X16 ND-RSD NO Rectangular Damper | 28X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_42083110-4aba-410b-86d6-543b30ba92d4_medium.png?v=1720000501)
28X16 ND-RSD NO | Rectangular Damper | 28X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 28X16 ND-RSD NO
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![EWC Controls 22X12 ND-RSD NO Rectangular Damper | 22X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_8d0da985-48a8-4d21-9389-a2a3dd447eb5_medium.png?v=1720000501)
22X12 ND-RSD NO | Rectangular Damper | 22X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X12 ND-RSD NO
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![EWC Controls 28X14 ND Rectangular Damper | 28X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_0fec525d-400b-4f04-9eef-772f1d00beba_medium.png?v=1720000501)
28X14 ND | Rectangular Damper | 28X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X14 ND
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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 22X8 ND-RSD NO Rectangular Damper | 22X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_438209d2-a48b-4901-95d4-bce40ad087fe_medium.png?v=1720000501)
22X8 ND-RSD NO | Rectangular Damper | 22X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X8 ND-RSD NO
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![EWC Controls 18X6 ND-RSD NC Rectangular Damper | 18X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_97020746-7291-43e3-95aa-5b8c20b7481a_medium.png?v=1720000497)
18X6 ND-RSD NC | Rectangular Damper | 18X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 18X6 ND-RSD NC
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![EWC Controls 18X12 ND-RSD NO Rectangular Damper | 18X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_9d1c8415-ecc1-4465-ac32-24c67c19b0a0_medium.png?v=1720000496)
18X12 ND-RSD NO | Rectangular Damper | 18X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 18X12 ND-RSD NO
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![EWC Controls 26X22 ND Rectangular Damper | 26X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_1b5023df-2d4b-4583-89d1-edf3be28f547_medium.png?v=1720000497)
26X22 ND | Rectangular Damper | 26X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X22 ND
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![EWC Controls 20X22 ND Rectangular Damper | 20X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_e0f78a3e-ecc4-4ae8-b471-f3c33964ba39_medium.png?v=1720000497)
20X22 ND | Rectangular Damper | 20X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X22 ND
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![EWC Controls 28X28 ND-RSD NC Rectangular Damper | 28X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_940522fe-e1cf-41d1-9c41-d58c7e094076_medium.png?v=1720000496)
28X28 ND-RSD NC | Rectangular Damper | 28X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 28X28 ND-RSD NC
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![EWC Controls 26X10 ND Rectangular Damper | 26X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_025ad66d-54c7-4b5b-b2c7-2e5004d5eae5_medium.png?v=1720000496)
26X10 ND | Rectangular Damper | 26X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X10 ND
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![EWC Controls 22X6 ND-RSD NC Rectangular Damper | 22X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_b0e271d1-2d01-4695-b794-27c95be13ead_medium.png?v=1720000492)
22X6 ND-RSD NC | Rectangular Damper | 22X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X6 ND-RSD NC
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![EWC Controls 18X18 ND-RSD NO Rectangular Damper | 18X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_7aeaeea8-9260-42b8-abd6-43d162da3302_medium.png?v=1720000491)
18X18 ND-RSD NO | Rectangular Damper | 18X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 18X18 ND-RSD NO
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![EWC Controls 16X28 ND Rectangular Damper | 16X28 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_05fe8c39-d2ff-46df-ba33-fceeae3b0351_medium.png?v=1720000488)
16X28 ND | Rectangular Damper | 16X28 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X28 ND
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![EWC Controls 26X14 ND Rectangular Damper | 26X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_4a336a16-0b8b-4f24-b523-cb35d495edf2_medium.png?v=1720000488)
26X14 ND | Rectangular Damper | 26X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X14 ND
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