“1 m Packed column for Oxygen (molecular sieve)” has been added to your cart. View cart → Transparent Quartz Tube, 2 mm Wall Thickness (2pk)$44.00 Transparent quartz tube, 2 mm wall thickness Transparent Quartz Tube, 2 mm Wall Thickness (2pk) quantity Add to cart SKU: 61121 Category: Combustion and reduction tubes Additional information Additional information Package 2 Related products Out of Stock Read more Inserts, Quartz (Disposable) For 18 mm Combustion Tubes (5pk) $44.00 Out of Stock Read more Reduction Tube, CHN $66.00 Out of Stock Read more 4 M Packed Column For N2, Co2 $450.00