“2 m Packed column for N2, CO2, H2O” 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 Add to cart ANCA Combustion/Reduction tubes $69.00 Out of Stock Read more Reduction Tube, CHN $66.00 Add to cart Transparent Quartz Tube, 1.5 mm Wall Thickness (2pk) $44.00