Poroshell CS-C18 2.7um, 4.6mm grd 3/pk

HALO 90 Å Penta-HILIC, 2.7 µm, 4.6 x 5mm, Guard C

Poroshell 120 EC-C8,2.1x150mm,1.9um,T

HALO 90 Å HILIC, 2.7 µm, 0.3 x 50mm