Nylon, lint free, durable, and ambidextrous.
Get a DeTech 2300 Electron Multiplier here. Used in Agilent 5975 MSD (without TAD)/5973/5972/5971/5970/1100 LC-MSD mass spectrometers and backed by a 100% no-nonsense warranty. Developed by Detector Technology, Inc.
standard graphite ferrules (for GC applications)
Tenax® TA is a porous polymer resin based on 2.6-diphenylene oxide.