HALO 1000 Å Diphenyl, 2.7 µm, 2.1 x 250mm

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

HALO 160 Å C30, 2.7 µm, 4.6 x 30mm

HALO 160A PCS C18, 2.7um Guard Column 4.6mm x 5mm