Twister spray chamber with B14 drain & Helix CT. Gravity drain Twister spray chamber, includes Helix CT locking screw & seal (1 pc), & JC-13 Metal Ball Joint Clip (1 pc). Made from borosilicate glass, 50mL volume. Compatible with Shimadzu ICPS 7500/8100 and ICPE 9000/9800 ICP-OES.The Twister features a baffle, which efficiently removes larger droplets, producing a smaller mean droplet size entering the plasma. Resulting in a more robust plasma, making the Twister an excellent choice for applications requiring the best possible precision & for both high TDS or organic sample matrices.The unique Helix CT interface consists of two parts, a ConstantTorque Locking Screw & chemically inert PressFit ferrule. The main feature of the Helix CT is the built-in, ratcheting torque control mechanism that allows for a consistent, zero dead volume, inert seal of the nebulizer.Replacement Helix CT Seals NC2081825.Glass Expansion is ISO 9001:2015 certified by AB Certification, No. AU4501-9001