HALO 90 Å RP-Amide, 2.7 µm, 2.1 x 30mm

HALO 90 Å HILIC, 2.7 µm, 0.3 x 50mm

HALO 90 Å ES-CN, 2.7 µm, 2.1 x 5mm, Guard Column

HALO 160A PCS C18, 2.7um Guard Column 2.1mm x 5mm