or
Concentrator, Centrifugal; Eppendorf Vacufuge; Basic Unit Model; 48 x 1.5-2.0mL Rotor without PTFE VacuumPump; 14.5L x 12.625 W x 9 in. H; 240xG; 1400rpm max; 115V 50/60Hz; 3 aeration modes(aqueous, alcohol, and off) maximize evaporation