| CORTECS Phenyl VanGuard Pre-column, 90Å, 1.6 µm, 2.1 mm X 5 mm, 3/pkg
CORTECS Phenyl VanGuard Pre-column, 90Å, 1.6 µm, 2.1 mm X 5 mm, 3/pkg Silica, USP Class:L11 , 2 - 8 Ph Range, Low Silanol Activity, 100 m2/g, End Capped , Spherical , 5.9 % Carbon Load |