View cart “Combustion Tube For Htg, 18 mm Od” has been added to your cart. Transparent Quartz tube$69.00 Transparent quartz tube Out of stock SKU: 61107 Category: Combustion and reduction tubes Additional information Additional information Package 2 Related products Add to cart Inserts, Alumina For The Turbo N 4040 Combustion Tubes $25.00 Add to cart Combustion Tube, Sulfur $60.00 Add to cart ANCA Combustion/Reduction tubes $69.00