Sample Tube, 6mm x 4.5", Centreless, 4cm Tenax 20/35, 13mm Carboxen 1000 60/80, 12mm Carbosieve SIII 60/80, Unconditioned, Ground Glass, with Frit, Uncapped, For Dynatherm, Minimum Order Quantity of 10

Sample Tube, 6mm x 4.5", Centreless, 4cm Tenax 20/35, 13mm Carboxen 1000 60/80, 12mm Carbosieve SIII 60/80, Unconditioned, Ground Glass, with Frit, Uncapped, For Dynatherm, Minimum Order Quantity of 10