HALO 90 Å PAH, 2.7 µm, 2.1 x 50mm

Poroshell 120 EC-C18,4.6x 250mm,2.7um,T

HALO 90 Å HILIC, 2 µm, 2.1 x 30mm

HALO 400 Å C4, 3.4 µm, 3.0 x 5mm, Guard Column 3p