CompactPrep Plasmid Midi Kit (25) For ultrafast purification of up to 200 µg or 750 µg Molecular Biology Grade plasmid or cosmid DNA for standard applications CompactPrep Plasmid Kits enable fast, large-scale plasmid purification in a miniprep format. The use of a vacuum manifold allows 24 samples to be purified in parallel on a single workbench