View cart “2 m Packed column for Oxygen (molecular sieve)” has been added to your cart. Pre-Packed Reactor For N, C/N Or Chn Analysis$155.00 Pre-packed reactor for N, C/N or CHN analysis Out of stock SKU: 61112 Category: Combustion and reduction tubes Additional information Additional information Package 1 Related products Add to cart Seals for top of tubes $18.00 Add to cart Combustion Tube, Large 25 mm Od $65.00 Out of Stock Read more Reduction Tube, CHN $66.00