HALO 90 Å HILIC, 2.7 µm, 2.1 x 30mm

HALO 90 Å Penta-HILIC, 2.7 µm, 3.0 x 5mm, Guard C

Poroshell 120 EC-C8,4.6x 250mm,4um,T

HALO 160 Å C30, 2.7 µm, 4.6 x 30mm