View cart “Inserts, Quartz (Disposable) For Na 1500 Series I Combustion Tubes” has been added to your cart. Combustion Tube For Htg, 18 mm Od$44.00 Combustion tube for HTG, 18mm OD Combustion Tube For Htg, 18 mm Od quantity Add to cart SKU: 61124 Category: Combustion and reduction tubes Additional information Additional information Package 2 Related products Add to cart Combustion Tube, Sulfur $60.00 Out of Stock Read more Inserts, Quartz (Disposable) For 18 mm Combustion Tubes $44.00 Add to cart 1 m Packed column for Oxygen (molecular sieve) $200.00