BUS BAR DRIVE OVERHEAD TRAVELLING CLEANER MODEL STC 20 WITH FAN MOTOR 2.2 KW,420MM DIA FAN, DRIVE MOTOR 150W, BLOWING & SUCTION ATTACHMENT COLLECTION BOX AND PLC CONTROLLER SUITABLE FOR COVER LR9AX 576 SPLS ONE UNIT ONE RAILING WITH AUTO PARKINGS & BTS ATTACHMENT IN STRIGHT PATH (MANUAL COLLECTION BOX)