The Micro12 microcentrifuge accommodates all tubes up to 2mL. It is perfect for a variety of applications including quick spin downs, cell and bacteria separations, microfiltrations, and small volume blood and urine separations. Micro12 Features Brushless motor - maintenance free Exceptionally quiet Extremely small footprint High Maximum speed (14,000 rpm / 16,000 x g) Unique airflow patterns keep samples cool 18 x 1.5/2.0 rotor Economically priced Easy to use control panel Rotor easily removed Catalog # 100-152