“Transparent Quartz Tube, 2 mm Wall Thickness (2pk)” has been added to your cart. View cart → Pre-packed Reactor for CM-5000$190.00 Pre-packed Reactor for CM-5000 quantity Add to cart Category: Combustion and reduction tubes Related products Out of Stock Read more Seals for top of tubes $18.00 Out of Stock Read more Combustion Tube, Large 25 mm Od $65.00 Add to cart Pre-Packed Reactor For N, C/N Or Chn Analysis $155.00