Zone dampers 28 x 12 Size (in)
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![iO HVAC Controls MBD-2812 Manual Rectangular 28 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_f3706c12-0e72-4cd1-ab94-f0bd9dfa7603_medium.jpg?v=1719992400)
MBD-2812 | Manual Rectangular 28 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2812
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![iO HVAC Controls HD-2812-BM Rectangular 28 x 12 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_eb32448b-8ac8-459d-9932-89c7644ab36e_medium.jpg?v=1719992226)
HD-2812-BM | Rectangular 28 x 12 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2812-BM
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![iO HVAC Controls HD-2812 Rectangular 28 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_52aa6dae-84ea-4a35-818f-c46e82ee7a05_medium.jpg?v=1719992226)
HD-2812 | Rectangular 28 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2812
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![iO HVAC Controls CD-2812 Carrier 28 x 12 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_703bf4e0-10f0-4a5c-9bbd-cbeea53f7b69_medium.jpg?v=1719992121)
CD-2812 | Carrier 28 x 12 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2812
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