Lot No. 1 Gaseous Nitrogen Of Increased Purity (Dstu Iso 2435:2018 Grade Ii 99.96 40 L. Bal. 5.7 M³) Or Equivalent. Lot No. 2 High Grade Carbon Dioxide 99.9% Gas Dstu 4817:2007 Point. 40 Liters, 20 Kg. Or Equivalent. Lot No. 3 Gaseous Medical Oxygen (Gost 5583-78Bal. 40L 6.4M³ 99.5%) Or Equivalent.