[EN]:CORTECS C8 VanGuard Cartridge, 90Å, 2.7 µm, 3.9 mm X 5 mm, 3/pkg

[EN]:CORTECS C8 VanGuard Cartridge, 90Å, 2.7 µm, 3.9 mm X 5 mm, 3/pkg
Silica, USP Class:L7 , 2 - 8 Ph Range, Low Silanol Activity, 100 m2/g, End Capped , Spherical , 4.5 % Carbon Load