View cart “Combustion Tube For Htg, 18 mm Od” has been added to your cart. Transparent Quartz Tube, 1.5 mm Wall Thickness$44.00 Transparent quartz tube, 1.5 mm wall thickness Out of stock SKU: 61104 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 $44.00 Add to cart 2 m Packed column for N2, CO2, H2O $300.00 Add to cart ANCA Combustion/Reduction tubes $69.00