Halo 2.7um, 1000A, C4

HALO 90 Å C18, 2.7 µm, 0.3 x 150mm

EC 150/4 NUCLEOSHELL RP 18, 2.7 µm

HALO 90 Å AQ-C18, 5 µm, 2.1 x 5mm, Guard Column 3