View cart “Combustion Tube, Sulfur” has been added to your cart. Reduction Tube, CHN$66.00 Reduction tube, CHN Out of stock SKU: 63003 Category: Combustion and reduction tubes Additional information Additional information Package 1 Related products Out of Stock Read more Inserts, Quartz (Disposable) For 18 mm Combustion Tubes $44.00 Add to cart Combustion Tube, Large 25 mm Od $65.00 Out of Stock Read more Combustion Tube, CHN $66.00