HALO 1000 Å Diphenyl, 2.7 µm, 1.0 x 50mm

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 2.1 x 5mm, Guard

HALO 90A PCS C18, 2.7um 4.6mm x 150mm

Poroshell 120, Phe-Hex,2.1x100mm,2.7um