QIAfilter Plasmid Kits. For fast purification of up to 10 mg transfection-grade plasmid or cosmid DNA. Kit contents: Qiagen QIAfilter Plasmid Maxi Kit, 25 preps, 100 to 250mL Culture Volume, Transfection-grade Plasmid or Cosmid DNA Purification, Anion-exchange Technology, Manual Processing, <500g Yield, 120 min. Time/Run, For Fast Purification of up to 500g Transfection-grade Plasmid or Cosmid DNA, Ideal for Transfection, Cloning, Sequencing, Includes 25 Qiagen-tip 500, Reagents, Buffers, 25 QIAfilter Maxi Cartridges. Benefits: Lysate clearing without centrifugation. Reduced plasmid purification time. High yields of plasmid DNA. LyseBlue reagent for optimum lysis and maximum DNA yield