4 X 1,000 mL or 24 Microplate, 4,200 rpm Max. Speed, 126 X 140 mm Tube, 90° Angle, 4,122 x g Max. RCF, 209 mm Radius, 4.93 kg (Rotor Cross); 9.81 kg (Cross with Buckets) Net Weight, Five Years Parts and Labor Warranty, Biocontainment Certification by Public Health England, Porton Down, U.K. Certifications/Compliance