View cart “Combustion Tube For Htg, 18 mm Od” has been added to your cart. Combustion Tube, CHN$66.00 Combustion tube, CHN Out of stock SKU: 63001 Category: Combustion and reduction tubes Additional information Additional information Package 1 Related products Add to cart Combustion Tube For Htg, 18 mm Od $44.00 Add to cart Inserts, Quartz (Disposable) For Na 1500 Series I Combustion Tubes $45.00 Out of Stock Read more Inserts, Quartz (Disposable) For 18 mm Combustion Tubes $44.00