Dampers Non-spring return Spring return

View Details EWC Controls 18X8 ND Rectangular Damper | 18X8 ND  MOTORIZED DAMPER  | Blackhawk Supply
$200.94 each
View Details EWC Controls 18 URD 18 Inch Round Motorized Damper  | Blackhawk Supply
$254.49 each
View Details EWC Controls 8X14 ND Rectangular Damper | 8X14 ND MOTORIZED DAMPER  | Blackhawk Supply
$200.43 each
View Details EWC Controls 6 URD 6 Inch Round Motorized Damper  | Blackhawk Supply
$144.33 each
View Details EWC Controls 30X30 ND Rectangular Damper | 30X30 ND MOTORIZED DAMPER  | Blackhawk Supply
$421.77 each
View Details EWC Controls 30X12 ND Rectangular Damper | 30X12 ND MOTORIZED DAMPER  | Blackhawk Supply
$267.75 each
View Details EWC Controls 24X10 ND Rectangular Damper | 24X10 ND MOTORIZED DAMPER  | Blackhawk Supply
$231.54 each
View Details EWC Controls 20 URD 20 Inch Round Motorized Damper  | Blackhawk Supply
$286.11 each
View Details EWC Controls 18X10 ND Rectangular Damper | 18X10 ND MOTORIZED DAMPER  | Blackhawk Supply
$214.20 each
View Details EWC Controls 12X8 ND Rectangular Damper | 12X8 ND  MOTORIZED DAMPER  | Blackhawk Supply
$192.78 each
View Details EWC Controls 8X16 ND Rectangular Damper | 8X16 ND MOTORIZED DAMPER  | Blackhawk Supply
$202.98 each
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