Gases (High Purity) Hellium 5.0 High Purity ≥ 99,999 %Hellium 5.6 High Purity ≥ 99,9996 %Hellium 6.0 High Purity ≥ 99,9999 %Carbon dioxide 4.5 High Purity ≥ 98,0 %Argon 5.0 High Purity ≥ 99,999 %Argon 5.6 High Purity ≥ 99,9996 %Argon 6.0 High Purity ≥ 99,9999 %Nitrogen 5.0 High Purity ≥ 99,999 %Acetylene High Purity ≥ 99,6 %Oxygen 5.6 High Purity ≥ 99,9996 %Oxygen 5.0 High Purity ≥ 99,999 %