HALO 160 Å ES-C18, 2.7 µm, 4.6 x 30mm

HALO 90 Å PAH, 2.7 µm, 2.1 x 5mm, Guard Column 3p

HALO 160 Å ES-C18, 2.0 µm, 1.5 X 50mm

Poroshell 120, UHPLC Guard,SB-C18,2.1mm