(Skladem)
DAMPER ACTUATOR: INVENSYS MK4-3121 PNEUMATIC DAMPER ACTUATOR, 8 SQ. IN., 8-13 SPRING, 21 LB-IN., W/POSITIVE POSITIONER AK-42309-500
DAMPER ACTUATOR: INVENSYS MK4-3121 PNEUMATIC DAMPER ACTUATOR, 8 SQ. IN., 8-13 SPRING, 21 LB-IN., W/POSITIVE POSITIONER AK-42309-500