The black, opaque Zymo-Spin IB column can be used in microcentrifuges 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 of DNA, and 10 μg RNA, in ≥ 6 μl eluate. Capacity is 800 µl.