View cart “Inserts, Quartz (Disposable) For Na 1500 Series I Combustion Tubes” has been added to your cart. Transparent quartz tubes 25mm OD x 450 mm length; 1.5mm wall thickness combustion and reduction. For CM-5000 combustion module.$65.00 Transparent quartz tubes 25mm OD x 450 mm length; 1.5mm wall thickness combustion and reduction. For CM-5000 combustion module. quantity Add to cart Category: Combustion and reduction tubes Related products Add to cart 2 m Packed column for N2, CO2, H2O $300.00 Out of Stock Read more Inserts, Quartz (Disposable) For 18 mm Combustion Tubes $44.00 Add to cart 2 m Packed column for N2, CO2, H20, SO2 $300.00