The GCM-12 is a revelation in micro centrifuges: small enough to fit any lab yet feature-filled at a value than cannot be beat. The GCM-12 is compatible with numerous biological, chemistry, clinical and research applications including molecular biology, blood labs, DNA protocols and many more. The GCM-12 includes a beavvy of features found in much more expensive models, including a large LCD display with accurate control, a brushless DC motor, pulse operation for quick spins, high centrifugal force, interlocking safety lid, quiet running and more. The included twelve (12) position rotor is compatible with 1. 5 / 2. 0mL micro centrifuge tubes or with 0. 2 / 0. 5mL micro centrifuge tubes when using optional adapters (sold separately).