HALO 90 Å ES-CN, 5 µm, 3.0 x 20mm

Poroshell 120 PFP, 3.0x50mm,2.7um

HALO 90 Å ES-CN, 2 µm, 3.0 x 5mm, Guard Column 3p

HALO 90 Å ES-CN, 2 µm, 2.1 x 100mm