Mini-columns ASC’s two mini-columns are molded in polypropylene for molecular biology studies.The first one is 1.9˝ (4.826 cm) overall in height. It has a capacity of 0.5 ml. This column features a HDPE filter of medium porosity (45-90 micron).The second column is 1½˝ (3.81 cm) overall in height. It has a capacity of 2.4 ml. This column features a HDPE filter of medium porosity (45-90 micron)