VarioPrep HPLC guard column cartridge (short) VP 15/32 NUCLEODUR – polar universal guard column cartridge – length: 15 mm, ID: 32 mm pack of 1 – compatible with VarioPrep HPLC column with ID 32 or 40 mm – for all polar NUCLEODUR and NUCLEOSIL phases – requires VP guard column holder 32 mm (short version, p/n 718253)