“Inserts, Alumina For The Turbo N 4040 Combustion Tubes” has been added to your cart. View 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 Out of Stock Read more Inserts, Quartz (Disposable) For 18 mm Combustion Tubes (5pk) $44.00 Add to cart Combustion Tube, Sulfur $60.00 Add to cart Alumina Combustion Tube $50.00