Quartz Capillary Injector with 2.0mm ID (842312051971 and BRE0019895).A 2.0mm ID capillary quartz injector. The standard size injector for the Thermo PRO Duo. Suitable for use with aqueous and less-volatile organic solvents-based matrices. Not for use with HF. When replacing your injector, it is recommended to replace the injector ferrule (31-808-2897), on average every 6 months.Compatible with Thermo PRO Duo EMT Torch (31-808-4158) and D-Torch (NC2046971 & 30-808-4150), Thermo PRO Radial EMT Torch (50-169-4685 & 31-808-2810) and 6000/7000 Radial D-Torch 30-808-2877, and Thermo 6000/7000 Duo EMT Torch (NC1417608 & 31-808-2811) and D-Torch (50-169-4650 & 30-808-2844).Glass Expansion is ISO 9001:2015 certified by AB Certification, No. AU4501-9001