HALO 160 Å ES-C18, 2 µm, 2.1 x 75mm

Poroshell 120, Phe-Hex, 4.6x50mm, 4um

Poroshell 120 PFP,3x50mm,1.9um,T

HALO 90 Å Phenyl-Hexyl, 5 µm, 2.1 x 5mm, Guard Co