HALO 1000 Å C4, 2.7 µm, 0.5 x 50mm

Poroshell 120,SB-C18, 4.6x30mm,2.7um

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

EC 150/4.6 NUCLEOSHELL RP 18, 2.7 µm