“Inserts, Quartz (Disposable) For Na 1500 Series I Combustion Tubes” has been added to your cart. View cart → Transparent Quartz Tube, 2 mm Wall Thickness (2pk)$44.00 Transparent quartz tube, 2 mm wall thickness Transparent Quartz Tube, 2 mm Wall Thickness (2pk) quantity Add to cart SKU: 61121 Category: Combustion and reduction tubes Additional information Additional information Package 2 Related products Add to cart 1 m Packed column for Oxygen (molecular sieve) $200.00 Add to cart Transparent Quartz Tube, 1.5 mm Wall Thickness (2pk) $44.00 Add to cart Inserts, Quartz (Disposable) For Na 1500 Series I Combustion Tubes $45.00