GL Sciences HPLC Guard Cartridge Pre-Clean ORG, 7.6 x 30 mm, 2 pc/PAK

A guard column to install between the pump and injector, to remove the impurity in aqueous organic eluent Protect analytical LC columns, and prolong analytical columns lifetime Easy-to-replace Also can be used as an in-line filter, semi-micro columns are most appropriate for column clog 2 types for two different flow rates