Base and Inner Tube for D-Torch. Compatible with Glass Expansion D-Torch for Spectro (Ametek) Modula, CIROS, Genesis, ARCOS Radial SOP ICP-OES.A patented, precision-engineered, demountable torch, incorporating a ceramic inner tube for greater robustness. D-Torch also features an interchangeable injector, allowing installation of a specific injector, whether it be for aqueous (~2.0mm ID), organics (<2.0mm ID), high TDS (>2.0mm ID) or HF (alumina). Compatible with all EMT injectors.The D-Torch is the only design with an optional ceramic outer tube (501907167, 31-808-2973). The quartz outer tube for the Spectro (Ametek) Modula, CIROS, Genesis, ARCOS Radial SOP (501907165, 31-808-2939) is ideal for most applications while the ceramic outer tube is best for high TDS, organics, or HF matrices. Glass Expansion is ISO 9001:2015 certified by AB Certification, No. AU4501-9001