You cannot add "Transparent Quartz Tube, 1.5 mm Wall Thickness" to the cart because the product is out of stock. Alumina Combustion Tube$50.00 Alumina Combustion Tube Alumina Combustion Tube quantity Add to cart SKU: 61120 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 Seals for top of tubes $18.00 Add to cart Combustion Tube, Sulfur $60.00