HALO 160 Å C30, 2.7 µm, 0.3 x 100mm

Poroshell 120, UHPLC Guard,SB-C18,4.6mm

HALO 400 Å C4, 3.4 µm, 2.1 x 30mm

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