Alumina Tapered Injector with 2.4mm ID.A 2.4mm ID alumina tapered injector. The most versatile and suitable for use with aqueous, including HF, and high TDS matrices. Compatible with PerkinElmer ICP-OES NexION 1000/2000/5000 (30-808-3927). When replacing your injector, it is recommended to replace the injector ferrule (31-808-2962), on average every 6 months.Glass Expansion is ISO 9001:2015 certified by AB Certification, No. AU4501-9001