The Spray Chamber, PEEK is part of the sample introduction system installed within the heater module to desolvate and carry aerosolized sample from the Nebulizer to the ICP Torch via the Injector. The Spray Chamber is composed of polyether ether ketone (PEEK) and has an outer cap and an inner cap at one end, which connects directly to the Injector. Argon makeup gas is supplied through the makeup gas line on the outer cap of the Spray Chamber. The other end of the Spray Chamber has a Teflon™ adaptor that holds the Nebulizer. Only for use on Helios™ systems.