“2 m Packed column for N2, CO2, H20, SO2” has been added to your cart. View cart → 4 M Packed Column For N2, Co2$450.00 4 m Packed column for N2, CO2 Out of stock SKU: 51085 Category: Combustion and reduction tubes Additional information Additional information Package 1 Related products Out of Stock Read more Combustion Tube, Large 25 mm Od $65.00 Out of Stock Read more Transparent Quartz tube $69.00 Out of Stock Read more Reduction Tube, CHN $66.00