XMRISE High Purity Graphite Tube Heat Exchange Blow Shape Conductive Temperature Protection OD12 mm H 95 mm 2 Pieces Unpolished : Amazon.de: Business, Industry & Science
Graphite Supplier & Graphite Machining by Ohio Carbon Blank, Inc.
Graphite Tube - MTE Carbon Group - Professional Solutions for Thermal Engineering
Graphite Shell & Tube Heat Exchanger – Large Heat Exchange Area
Amazon.com: MHUI Graphite Tube Hollow Graphite Rod Widely Used in Sintering Molds 5X30mm,The Inner Diameter Can Be Customized,6 * 30mm(5pcs) : Everything Else