Models 5702, 5702 R, and 5702 RH are the economical centrifuges for the clinical and cell culture lab.With various fixed-angle and swing-bucket rotors and an extensive range of adapters, nearly all types of tubes can be used.?Use Refrigerated Model 5702 R for heat sensitive samples.?Heated and Refrigerated Model 5702 RH allows centrifugation under biological conditions to improve cell viability for more accurate results in downstream application.