“Combustion Tube For Htg, 18 mm Od” has been added to your cart. View cart → 2 m Packed column for Oxygen (molecular sieve)$220.00 2 m Packed column for Oxygen (molecular sieve) 2 m Packed column for Oxygen (molecular sieve) quantity Add to cart SKU: 51088 Category: Combustion and reduction tubes Additional information Additional information Package 1 Related products Out of Stock Read more Inserts, Quartz (Disposable) For 18 mm Combustion Tubes (5pk) $44.00 Add to cart Transparent Quartz Tube, 2 mm Wall Thickness (2pk) $44.00 Add to cart Combustion Tube For Htg, 18 mm Od $44.00