Liquid Oxygen Gas Confirming To Is: 309 / 2023 (5Th Rev.) Or Latest, Grade 3. Havin G Minimum Purity 99% When Tested In Gaseous Form As Per Governing Specification & Gene Ral Technical Requirement. [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]