View cart “Pre-Packed Reactor For N, N/C” 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 Alumina Combustion Tube $50.00 Out of Stock Read more Inserts, Quartz (Disposable) For 18 mm Combustion Tubes $44.00 Add to cart Seals for top of tubes $18.00