Chemglass CLS-1601-002 Mini Centrifuge, 5-1/2" Width x 4-1/2" Height x 6-3/32" Depth, +4 to - 50 Degree C, 6mL x 1.5/2.0mL Microtube Rotor, 4000rpm Speed Mini centrifuge is popular for quick spins, microfiltration of samples and cell separations With a clear cover made of high strength plastic affords high visibility of samples The centrifuge quickly accelerates to their maximum speed and stops within seconds Included is a round rotor with capacity for six standard microtubes Measures 5-1/2" width by 4-1/2" height by 6-3/32" depth; 1 year warranty