Dampers Rectangular Shape
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![EWC Controls 20X8 ND-HD 20X8 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_9bc1cc9b-90ff-4329-83d0-466ef66f829b_medium.png?v=1720000512)
20X8 ND-HD | 20X8 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X8 ND-HD
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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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![EWC Controls 16X16 ND-RSD NC Rectangular Damper | 16X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_f2a54041-fc24-4c58-b50e-e694d29e90b2_medium.png?v=1720000442)
16X16 ND-RSD NC | Rectangular Damper | 16X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 16X16 ND-RSD NC
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![EWC Controls 20X10 ND-HD 20X10 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_7f0be4e2-d1a9-4340-8f2e-1b98919ae7c5_medium.png?v=1720000473)
20X10 ND-HD | 20X10 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X10 ND-HD
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![iO HVAC Controls MBD-1608 Manual Rectangular 16 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_d400af50-d666-4067-87a1-942fb5add2e3_medium.jpg?v=1719992363)
MBD-1608 | Manual Rectangular 16 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-1608
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![EWC Controls 20X8 PRD 20X8 Rectangular Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/prd_5892f856-e9aa-42e8-9448-8e06abaaedb5_medium.gif?v=1720000477)
20X8 PRD | 20X8 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 20X8 PRD
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![EWC Controls 14X8 ND Rectangular Damper | 14X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_17421572-e781-4aed-9db5-c33174937370_medium.png?v=1720094298)
14X8 ND | Rectangular Damper | 14X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X8 ND
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![iO HVAC Controls MD-1210-BM MD Series 12x10 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_0410623f-e4ec-4370-b79b-f6e99e616739_medium.jpg?v=1719992443)
MD-1210-BM | MD Series 12x10 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-1210-BM
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![EWC Controls 12X12 ND Rectangular Damper | 12X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_9861f881-a65b-4b4b-919c-31fd2fda94ef_medium.png?v=1720000403)
12X12 ND | Rectangular Damper | 12X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X12 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 18X10 ND Rectangular Damper | 18X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_cdfd8c79-08e9-4f26-93c9-8e9f68447ec5_medium.png?v=1720000442)
18X10 ND | Rectangular Damper | 18X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X10 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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![iO HVAC Controls HD-1610-BM Rectangular 16 x 10 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_468a1b3c-5292-4ace-8f12-bec193b65fa1_medium.jpg?v=1719992281)
HD-1610-BM | Rectangular 16 x 10 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1610-BM
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![EWC Controls 8X16 ND Rectangular Damper | 8X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_93295e8b-d46c-4baa-85b7-8d2217c0ec47_medium.png?v=1720094307)
8X16 ND | Rectangular Damper | 8X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X16 ND
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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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![EWC Controls 12X8 ND-HD 12X8 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_08c21dc3-6675-4780-aace-0b4b316baaea_medium.png?v=1720000402)
12X8 ND-HD | 12X8 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X8 ND-HD
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![iO HVAC Controls MZR-1206-W-PO Motorized 12 x 06 Zone Register - White | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MZR_web_b1b7f232-3109-4b11-bea7-ec40d0677a1d_medium.jpg?v=1719992494)
MZR-1206-W-PO | Motorized 12 x 06 Zone Register - White | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MZR-1206-W-PO
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![iO HVAC Controls HD-1010 Rectangular 10 x 10 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_20fb6d18-61c4-445f-82c9-7e0f22e1552c_medium.jpg?v=1719992207)
HD-1010 | Rectangular 10 x 10 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1010
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![EWC Controls 30X30 ND Rectangular Damper | 30X30 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2e8a9b03-1169-4b8f-91ed-01be0ade212a_medium.png?v=1720094316)
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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