Controls Non-spring return Spring return

View Details EWC Controls 30X18 ND Rectangular Damper | 30X18 ND MOTORIZED DAMPER  | Blackhawk Supply
$354.96 each
View Details EWC Controls 30X20 ND Rectangular Damper | 30X20 ND MOTORIZED DAMPER  | Blackhawk Supply
$364.14 each
View Details EWC Controls 24X6 ND Rectangular Damper | 24X6 ND MOTORIZED DAMPER  | Blackhawk Supply
$236.64 each
View Details EWC Controls 24X12 ND Rectangular Damper | 24X12 ND MOTORIZED DAMPER  | Blackhawk Supply
$267.24 each
View Details EWC Controls 20X20 ND Rectangular Damper | 20X20 ND MOTORIZED DAMPER  | Blackhawk Supply
$289.17 each
View Details EWC Controls 16X16 ND Rectangular Damper | 16X16 ND MOTORIZED DAMPER  | Blackhawk Supply
$258.06 each
View Details EWC Controls 12X12 PRD 12X12 Rectangular Manual Bypass Damper  | Blackhawk Supply
$127.19 each
View Details EWC Controls 12X8 PRD 12X8 Rectangular Manual Bypass Damper  | Blackhawk Supply
$115.38 each
View Details EWC Controls 16X26 ND Rectangular Damper | 16X26 ND  MOTORIZED DAMPER  | Blackhawk Supply
$317.22 each
View Details EWC Controls 12X18 ND Rectangular Damper | 12X18 ND  MOTORIZED DAMPER  | Blackhawk Supply
$258.06 each
View Details iO HVAC Controls MZR-1004-W-PC Motorized 10 x 04 Zone Register - White  | Blackhawk Supply
$151.27 each
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