NUCLEOBOND XTRA MIDI EF (50) PREPS FOR THE ISOLATION OF ENDOTOXIN-FREE PLASMID DNA, BUFFERS, RNASE A, NUCLEOBOND XTRA MIDI COLUMNS, NUCLEOBOND XTRA MIDI COLUMN FILTERS, PLASTIC WASHERS, USER MANUAL UN 1824 SODIUM HYDROXIDE SOLUTION 8 III 0.5 L 1 * 1 KIT