Dampers Rectangular Shape
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![EWC Controls 28X8 ND Rectangular Damper | 28X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_7434839f-01ee-42c9-8c56-441ba6e900ac_medium.png?v=1720000512)
28X8 ND | Rectangular Damper | 28X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X8 ND
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![EWC Controls 24X8 ND-RSD NC Rectangular Damper | 24X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED] | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_66e50b39-12e9-467b-8c18-c50448937573_medium.png?v=1720000512)
24X8 ND-RSD NC | Rectangular Damper | 24X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED] | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X8 ND-RSD NC
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![EWC Controls 22X6 ND Rectangular Damper | 22X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_944067ec-1977-4f9d-9915-323b39caeeac_medium.png?v=1720000512)
22X6 ND | Rectangular Damper | 22X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X6 ND
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![EWC Controls 24X18 ND-RSD NC Rectangular Damper | 24X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_3f59db1a-8882-4d13-9912-866055427136_medium.png?v=1720000507)
24X18 ND-RSD NC | Rectangular Damper | 24X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X18 ND-RSD NC
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![EWC Controls 24X14 ND-RSD NO Rectangular Damper | 24X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_516b21c2-2824-4910-a8a7-a24eccc69f21_medium.png?v=1720000506)
24X14 ND-RSD NO | Rectangular Damper | 24X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X14 ND-RSD NO
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![EWC Controls 22X16 ND Rectangular Damper | 22X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_835def54-06f4-40e7-856b-a4c27a62f02f_medium.png?v=1720000507)
22X16 ND | Rectangular Damper | 22X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X16 ND
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![EWC Controls 24X10 ND-RSD NC Rectangular Damper | 24X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_7a151048-b03f-499a-a92c-52add1949bb9_medium.png?v=1720000501)
24X10 ND-RSD NC | Rectangular Damper | 24X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X10 ND-RSD NC
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![EWC Controls 28X6 ND Rectangular Damper | 28X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a2bf0005-a58a-4d1f-9e8f-5e3587d74c2d_medium.png?v=1720000501)
28X6 ND | Rectangular Damper | 28X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X6 ND
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![EWC Controls 26X12 ND Rectangular Damper | 26X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_191f5cd3-521a-4969-a9cf-4cb4d66741f8_medium.png?v=1720000497)
26X12 ND | Rectangular Damper | 26X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X12 ND
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![EWC Controls 22X20 ND-RSD NO Rectangular Damper | 22X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_95acb80d-fd0b-40b5-9cd9-f390ba713bde_medium.png?v=1720000492)
22X20 ND-RSD NO | Rectangular Damper | 22X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X20 ND-RSD NO
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![EWC Controls 26X8 ND-RSD NO Rectangular Damper | 26X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_4158863a-7136-4eac-a02a-6a255ac5538a_medium.png?v=1720000492)
26X8 ND-RSD NO | Rectangular Damper | 26X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 26X8 ND-RSD NO
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![EWC Controls 26X16 ND Rectangular Damper | 26X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_db9ea990-a40d-46cc-be5f-9857997b37c9_medium.png?v=1720000496)
26X16 ND | Rectangular Damper | 26X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X16 ND
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![EWC Controls 20X20 ND-RSD NO Rectangular Damper | 20X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_efb02378-9bf5-4a9b-947c-3d3a41e56d0e_medium.png?v=1720000487)
20X20 ND-RSD NO | Rectangular Damper | 20X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 20X20 ND-RSD NO
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![EWC Controls 20X12 PRD 20X12 Rectangular Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/prd_73c64b74-d884-4f16-aa1e-1fc72db51388_medium.gif?v=1720000487)
20X12 PRD | 20X12 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 20X12 PRD
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![EWC Controls 20X10 ND Rectangular Damper | 20X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_078100f0-1cbc-4de6-b103-9195fcf2396b_medium.png?v=1720000488)
20X10 ND | Rectangular Damper | 20X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X10 ND
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![EWC Controls 16X10 ND-RSD NO Rectangular Damper | 16X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_42dd0429-39b9-4f1b-a7ae-35aba5a9d431_medium.png?v=1720000487)
16X10 ND-RSD NO | Rectangular Damper | 16X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 16X10 ND-RSD NO
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![EWC Controls 22X14 ND-RSD NO Rectangular Damper | 22X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_7d4d8cc5-015a-4224-8815-1e0708f896fc_medium.png?v=1720000482)
22X14 ND-RSD NO | Rectangular Damper | 22X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X14 ND-RSD NO
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![EWC Controls 20X12 ND-RSD NO Rectangular Damper | 20X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_5806f064-ba28-43ca-88fe-209ba4cb5b79_medium.png?v=1720000478)
20X12 ND-RSD NO | Rectangular Damper | 20X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 20X12 ND-RSD NO
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![EWC Controls 22X18 ND Rectangular Damper | 22X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_d39c097f-a7e3-4f39-8790-5866e8bfe2a1_medium.png?v=1720000477)
22X18 ND | Rectangular Damper | 22X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X18 ND
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![EWC Controls 18X16 ND Rectangular Damper | 18X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a8246adb-c370-44f4-8c32-7bfec4d2fa46_medium.png?v=1720000474)
18X16 ND | Rectangular Damper | 18X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X16 ND
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![EWC Controls 14X16 ND-RSD NO Rectangular Damper | 14X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_0fa7a41f-7dcc-4d0c-a358-55bd3328037b_medium.png?v=1720000473)
14X16 ND-RSD NO | Rectangular Damper | 14X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 14X16 ND-RSD NO
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![EWC Controls 16X20 ND Rectangular Damper | 16X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_6443b001-c22c-45a5-a842-2a3cc93938c7_medium.png?v=1720000469)
16X20 ND | Rectangular Damper | 16X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X20 ND
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![EWC Controls 18X22 ND Rectangular Damper | 18X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2433afc3-672a-46ec-ab73-2a90025f4c7f_medium.png?v=1720000469)
18X22 ND | Rectangular Damper | 18X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X22 ND
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![EWC Controls 14X10 ND-RSD NC Rectangular Damper | 14X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_6cdd0c18-9fa6-412e-803d-73f54e3c14b2_medium.png?v=1720000468)
14X10 ND-RSD NC | Rectangular Damper | 14X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 14X10 ND-RSD NC
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