HALO 90 Å ES-CN, 2.7 µm, 3.0 x 250mm

HALO 1000 Å C4, 2.7 µm, 3.0 x 150mm

EC 150/4 NUCLEOSHELL RP 18, 2.7 µm

HALO 160 Å ES-C18, 2.7 µm, 3.0 x 5mm, Guard Colum