Ultra-fast transfection-grade Maxi plasmid preps. Typical yield 1000 ug. NucleoBond® Xtra Column Filters included for lysate clarification without centrifugation. NucleoBond® Xtra Plus kits contain NucleoBond® Finalizers to speed up DNA precipitation without centrifugation. Sophisticated silica materials leads to high yield and fast flow rates. (Buffers, RNase A, NucleoBond® Xtra Maxi Columns, NucleoBond® Xtra Maxi Column Filters, Plastic Washers, User Manual)