The black, opaque Zymo-Spin IB Zymo-Spin column can be used either in microcentrifuges or on vacuum manifolds for the purification of DNA and/or RNA and fluorescent dye removal. The Zymo-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.