1. Supply & Installation of PVC/GI/Rubber Ducting, PVC/GI/Rubber Elbow, ducting accessories, VCD to control the airflow of required size for the equipment. 2. Supply & Installation of SS Clamps to connect the duct to the machine. 3. Drilling hole in the existing ducting of the fume hood without disturbing the fume hood settings and connecting elbow for smooth suction without pressure drops (EXPIRED)