Markes International: Graphitized Carbon Mix, Conditioned Stainless Steel Thermal Desorption Tubes, Supplied Ready-to-Use, Capped with Brass Long-Term Storage Caps (Pack of 10) [C2-AAXX-5126]
Graphitised Carbon (C6 - C20, DHS), Stainless Steel 3.5" x 1/4" Thermal Desorption Tubes, Conditioned and Capped, pack of 10.