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 Pre-Packed Reactor For N, N/C $200.00 Out of Stock Read more Transparent Quartz Tube, 1.5 mm Wall Thickness $44.00 Add to cart Transparent Quartz Tube, 2 mm Wall Thickness $44.00