With their vertical membrane design, Amicon Ultra 0.5 mL filters deliver great performance and lower spin times • Concentrates 500 µL down to 15 µL • Concentration factor 25 x to 30 x • High sample recovery (greater than 90% of dilute starting solution) • Fast processing time - 10 to 30 minutes • Consistent recoveries thanks to the reverse spin capability • Reverse spin capability provides consistent recoveries