The Torch Body is the part of the sample introduction system within which the plasma is ignited. The Torch Body is a single-piece fused assembly of 2 concentric quartz tubes. When assembled, the Torch Body mounts onto the Torch Holder and is connected to the plasma gas and auxiliary gas lines. The Injector is inserted into the Torch Body. For use on CyTOF®, CyTOF®2 and Helios™ systems.