Rectangular manual dampers Volume control dampers Type
Choose from dozens of quality HVAC dampers from trusted brands like Braeburn, EWC Controls, and iO HVAC Controls, with prices starting from $170!
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![EWC Controls 20X8 ND-HD 20X8 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_7f823d94-d915-4e05-8940-87a46b5cf3e8_medium.png?v=1713902448)
20X8 ND-HD | 20X8 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X8 ND-HD
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![EWC Controls 20X10 ND-HD 20X10 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_95688c75-dfb8-4ef5-aae7-2a5f32311975_medium.png?v=1713902433)
20X10 ND-HD | 20X10 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X10 ND-HD
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![EWC Controls 12X8 ND-HD 12X8 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_637b2efa-1f39-45dc-b11e-5e4e6fea5064_medium.png?v=1713902318)
12X8 ND-HD | 12X8 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X8 ND-HD
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![EWC Controls 20X12 ND-HD 20X12 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_eb1d8754-f6a8-45bb-b716-f63f19ede2be_medium.png?v=1713902437)
20X12 ND-HD | 20X12 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X12 ND-HD
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![EWC Controls 12X12 ND-HD 12X12 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_91a07a13-6616-4f93-91b5-861cc502fe43_medium.png?v=1713902351)
12X12 ND-HD | 12X12 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X12 ND-HD
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![EWC Controls 12X10 ND-HD 12X10 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_345685e0-9c12-423c-bcb7-83cb6fb1f061_medium.png?v=1713902311)
12X10 ND-HD | 12X10 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X10 ND-HD
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