For sale is one unused Supelco Discovery guard column kit use to protect Discovery HS F5.

2 cm × 2.1mm, 5um, Pore size of 120 Å. Kit includes one cartridge, a stand-alone holder, a piece of tubing, 2 nuts and ferrules. Supelco Discovery JHS PFPPropyl # 567575-U

(Drawer 21)JHS