HALO 90A PCS C18, 2.7um 3.0mm x 50mm

Poroshell 120,EC-C8,2.1x75mm,2.7um

HALO 90 Å C8, 2.7 µm, 4.6 x 30mm

HALO 90 Å AQ-C18, 2 µm, 2.1 x 5mm, Guard Column 3