View cart “Seals for top of tubes” has been added to your cart. View cart “Seals for top of tubes” has been added to your cart. Transparent Quartz Tube, 1.5 mm Wall Thickness$44.00 Transparent quartz tube, 1.5 mm wall thickness Out of stock SKU: 61104 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 Out of Stock Read more Reduction Tube, CHN $66.00 Add to cart Seals for top of tubes $18.00