HALO 90 Å C8, 2.7 µm, 2.1 x 100mm

Poroshell 120, Phe-Hex, 4.6x150mm, 4um

Poroshell 120 SB-C8,3.0x50mm,2.7um

HALO 90 Å PFP, 5 µm, 3.0 x 5mm, Guard Column 3pk