Item Codes:
DS04 40 4″ Damper Section
DS05 40 5″ Damper Section
DS06 40 6″ Damper Section
DS07 40 7″ Damper Section
DS08 40 8″ Damper Section
DS09 40 9″ Damper Section
DS10 40 10″ Damper Section
DS12 40 12″ Damper Section
DS14 40 14″ Damper Section
DS16 40 16″ Damper Section