HALO 1000 Å ES-C18, 2.7 µm, 2.1 x 250mm

HALO 160 Å C30, 2.7 µm, 2.1 x 5mm, Guard Column 3

Poroshell 120 Aq-C18 2.1x30mm, 2.7um

Poroshell 120,EC-C18, 2.1x75mm,2.7um