Halo 2.7um, 90A, C18

HALO 400 Å ES-C18, 3.4 µm, 3.0 x 5mm, Guard Colum

HALO 90 Å C8, 2.7 µm, 0.5 x 50mm

Poroshell 120,EC-C8,4.6x150mm,2.7um