View cart “3 m Packed column for N2, CO2” has been added to your cart. Combustion Tube, Large 25 mm Od$65.00 Combustion tube, large 25mm OD Combustion Tube, Large 25 mm Od quantity Add to cart SKU: 61123 Category: Combustion and reduction tubes Additional information Additional information Package 1 Related products Add to cart Alumina Combustion Tube $50.00 Out of Stock Read more Transparent Quartz Tube, 1.5 mm Wall Thickness $44.00 Add to cart 1 m Packed column for Oxygen (molecular sieve) $200.00