Home :: Sample Preparation :: Solid Phase Extraction (SPE) :: United Chemical Technologies SPE Products :: UCT Clean Screen® SPE Cartridges :: Clean Screen® DAU (C8 + BCX) :: Clean Screen® DAU SPE Cartridges (with Clean-Thru Tips) :: Clean Screen DAU SPE Cartridges, 150mg, 6ml, pk.50 - (with Clean-Thru Tips)