QIAquick PCR Purification Kit For purification of up to 10 µg PCR products, 100 bp to 10 kb; KitContents: QIAGEN QIAquick PCR Purification Kit; For purification of 250 PCR reactions: 250 QIAquick Spin Columns, Buffers, Collection Tubes (2 ml); Benefits: Up to 95% recovery of ready-to-use DNA. Cleanup of DNA up to 10 kb in three easy steps. Gel loading dye for convenient sample analysis.