The black, opaque Zima-Spin IB Zima-Spin column can be used either in micro centrifuges or on vacuum manifolds for the purification of DNA and/or RNA and fluorescent dye removal. The Zima-Spin IB features durable polypropylene construction and contains a unique silica-based matrix that allows purification of up to 5 µg DNA or RNA in 6 micro liter eluate. Capacity is 800 micro liter.