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 Out of Stock Read more Transparent Quartz Tube, 1.5 mm Wall Thickness $44.00 Out of Stock Read more 4 M Packed Column For N2, Co2 $450.00 Add to cart Inserts, Quartz (Disposable) For Na 1500 Series I Combustion Tubes $45.00