22 Part 1 Bioscience Drop Dialysis Discs High recovery way to dialyze micro volumes of protein or nucleic acid solutions MIXED ESTERS OF CELLULOSE FILTER, 0.025µm, 13mm, WHITE, PLAIN VSWP /PK MIXED ESTERS OF CELLULOSE FILTER, 0.025µm, 25mm, WHITE, PLAIN VSWP /PK MIXED ESTERS OF CELLULOSE FILTER, 0.025µm, 47mm, WHITE, PLAIN VSWP /PK MIXED