HALO 90 Å ES-CN, 2.7 µm, 2.1 x 75mm

Poroshell 120, HPH-C8, 2.1x50mm, 4um

HALO 90 Å RP-Amide, 2 µm, 3.0 x 5mm, Guard Column

HALO 160 Å ES-C18, 5 µm, 3.0 x 5mm, Guard Column