GL Sciences HPLC Guard Cartridge Inertsil C4, 150Å, 5 μm, 4.6 x 5 mm, 10 pc/PAK, (use Holder GL-5020-08710)

GL Sciences Inertsil C4 columns have a pore size of 150 Å and is recommended for rapid analysis of highly hydrophobic compounds such as fat-soluble vitamins