... : Industrial gasBrand Name: jinhong gasModel Number: High purity Hydrogen,H2 gas 99.99~99.9999%Product Name: High purity ... 99.99~99.9999%Item: 99.99~99.9999% Hydrogen,H2 gasPrice: factory pricePackaging & DeliveryPackaging Details:40L,60L cylinder, customizedDelivery ... Detail:Shipped in 20 days after paymentHigh purity Hydrogen,H2 gas 99.99~99.9999% FormulaH2Packing typeSteel CylinderMolecular weight:2 ...