Gas Ultra Pure Zero Air Iolar Gr1. Each Cylinder Consisting Of 07 Cubic Meters. Note: 1) Gas To Be Delivere D To The Consignee In Every 15 Days (Or) As When Demanded By The Consignee.2) Gas To Be Filled In 150 Bar Cylinder Only . Note:The Gas Cylinders Shall Confirm To Gas Cylinder Rules 1981 And Any Other Rules As Current And To The Specifications . Approved By The Chief Controller Of Explosives, Nagpur. (Govt. Of India). ] (EXPIRED)