“Combustion Tube For Htg, 18 mm Od” has been added to your cart. View cart → 1 m Packed column for Oxygen (molecular sieve)$200.00 1 m Packed column for Oxygen (molecular sieve) 1 m Packed column for Oxygen (molecular sieve) quantity Add to cart SKU: 51084 Category: Combustion and reduction tubes Additional information Additional information Package 1 Related products Out of Stock Read more Combustion Tube, Large 25 mm Od $65.00 Add to cart 3 m Packed column for N2, CO2 $375.00 Out of Stock Read more Reduction Tube, CHN $66.00