Universal fittings and unions are compatible with most HPLC fittings such as Parker, Swagelok, Valco, Upchurch, Beckman, and Waters, when initially assembled with new ferrules.  All components are manufactured from 316 stainless steel, and are cleaned and passivated.  Unions come complete with 1/16” compression fittings.  We also offer PEEK Fingertight Fitting for 1/16" Tube.