Tracey spray chamber, includes Helix CT locking screw & seal (1 pc), UniFit with 1.6mm (1/16") OD x 0.75mm ID x 700mm long tube (1 pc), & 13mm ball joint clip. Made from borosilicate glass, 50mL volume. Compatible with Neptune, Element 1 & 2, & X-Series ICP-MS.The Tracey is a cyclonic design providing the highest sensitivity and fastest washout performance for ICP analyses. Ideal choice for most ICP applications, especially for those requiring the highest sample throughput and performance.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 parts include NC2081825 & NC1943061, suggested to replace every 6 months.Glass Expansion is ISO 9001:2015 certified by AB Certification, No. AU4501-9001