EC 4/2 NUCLEODUR C18 Gravity-SB, 3 µm 761991.20

HPLC guard column EC 4/2 NUCLEODUR C18 Gravity-SB, 3 µm length: 4 mm, ID: 2 mm pack of 3 - require Column Protection System guard column holder (REF 718966) - for anayltical columns with 2 mm ID