Zymo Research R2138 ZymoBIOMICS MagBead (4 x 96 Preps), Zymo Research, 4 x 96 Preps/Unit - 11-724B | Genesee Scientific Zymo Research R2138 ZymoBIOMICS MagBead (4 x 96 Preps), Zymo Research, 4 x 96 Preps/Unit - 11-724B | Genesee Scientific