rectangular dampers
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![EWC Controls 20X12 ND Rectangular Damper | 20X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2f55c947-95b3-462f-81a1-80b1359dcea7_medium.png?v=1720000478)
20X12 ND | Rectangular Damper | 20X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X12 ND
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14X8 ND | Rectangular Damper | 14X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X8 ND
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![EWC Controls 8X14 ND Rectangular Damper | 8X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_e477de71-5451-4544-aa98-310d11b0cb36_medium.png?v=1720000561)
8X14 ND | Rectangular Damper | 8X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X14 ND
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![EWC Controls 24X10 ND Rectangular Damper | 24X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_14974957-1364-45c5-9968-5ef014448e5f_medium.png?v=1720000507)
24X10 ND | Rectangular Damper | 24X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X10 ND
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![EWC Controls 12X12 ND-RSD NC Rectangular Damper | 12X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_25d7e06f-a750-4b82-b13a-619acb30b2b4_medium.png?v=1720000409)
12X12 ND-RSD NC | Rectangular Damper | 12X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 12X12 ND-RSD NC
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![EWC Controls 18X8 ND Rectangular Damper | 18X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_3e46d1ae-122d-4251-a0b8-6f521c179e86_medium.png?v=1720000518)
18X8 ND | Rectangular Damper | 18X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X8 ND
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![EWC Controls 24X16 ND Rectangular Damper | 24X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_456961b9-f914-44f9-9914-8486177e8d2f_medium.png?v=1720000473)
24X16 ND | Rectangular Damper | 24X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X16 ND
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30X30 ND | Rectangular Damper | 30X30 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X30 ND
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![EWC Controls 30X8 ND Rectangular Damper | 30X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_787f3652-6862-4d9e-adfb-3a0bf375accb_medium.png?v=1720000513)
30X8 ND | Rectangular Damper | 30X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X8 ND
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![EWC Controls 30X12 ND Rectangular Damper | 30X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_42aeada9-3e72-4cdd-8925-f0b4eb4cad26_medium.png?v=1720000508)
30X12 ND | Rectangular Damper | 30X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X12 ND
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![EWC Controls 16X8 ND Rectangular Damper | 16X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_82f281cd-6063-4ff4-bb3c-820737a71475_medium.png?v=1720000463)
16X8 ND | Rectangular Damper | 16X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X8 ND
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![EWC Controls 12X16 ND Rectangular Damper | 12X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a784ae04-6bd8-400e-8340-6a530e2a2fc6_medium.png?v=1720000418)
12X16 ND | Rectangular Damper | 12X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X16 ND
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![EWC Controls 12X8 ND Rectangular Damper | 12X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_5111e6aa-db96-4180-adea-0c55a47e39e6_medium.png?v=1720000399)
12X8 ND | Rectangular Damper | 12X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X8 ND
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![EWC Controls 8X18 ND Rectangular Damper | 8X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_6ce8b056-14ed-4b21-9f2f-249688c38ab6_medium.png?v=1720000551)
8X18 ND | Rectangular Damper | 8X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X18 ND
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![EWC Controls 20X18 ND Rectangular Damper | 20X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_8825db3d-b0aa-47a3-9182-a937d3bba697_medium.png?v=1720000512)
20X18 ND | Rectangular Damper | 20X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X18 ND
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18X12 ND-RSD NC | Rectangular Damper | 18X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 18X12 ND-RSD NC
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![EWC Controls 14X10 ND Rectangular Damper | 14X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_75a342f7-7c2f-4878-87ba-4a85261bfd06_medium.png?v=1720000437)
14X10 ND | Rectangular Damper | 14X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X10 ND
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![EWC Controls 14X6 ND Rectangular Damper | 14X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_93ec8d93-265a-49e0-b602-18daeab7fea0_medium.png?v=1720000414)
14X6 ND | Rectangular Damper | 14X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X6 ND
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![EWC Controls 10x6 ND Rectangular Damper | 10X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_c1fe8198-fb1d-4c37-829f-a8ce02087f0d_medium.png?v=1720000408)
10x6 ND | Rectangular Damper | 10X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10x6 ND
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![EWC Controls 8X8 ND-RSD NC Rectangular Damper | 8X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_16bc8036-9ba8-4768-ae2d-7a8dc61ac260_medium.png?v=1720000556)
8X8 ND-RSD NC | Rectangular Damper | 8X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 8X8 ND-RSD NC
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![EWC Controls 8X20 ND Rectangular Damper | 8X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2b71ce1b-7e89-4525-98b1-0e1e5d1e4a15_medium.png?v=1720000551)
8X20 ND | Rectangular Damper | 8X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X20 ND
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![EWC Controls 8X12 ND Rectangular Damper | 8X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a2eca7da-4766-4270-b5b3-34e28f527e53_medium.png?v=1720000546)
8X12 ND | Rectangular Damper | 8X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X12 ND
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![EWC Controls 30X20 ND Rectangular Damper | 30X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_d4956aa6-39e5-489a-b425-286c00d20946_medium.png?v=1720000541)
30X20 ND | Rectangular Damper | 30X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X20 ND
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![EWC Controls 18X12 ND Rectangular Damper | 18X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_b10be9eb-e587-42c1-89ef-8cd56234a320_medium.png?v=1720000463)
18X12 ND | Rectangular Damper | 18X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X12 ND
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