Ordering Information: Adapters are sold separately. Replacement sealing O-rings are also available (in sets of two with grease). Contact your sales representative for more information. Compatible with: Thermo Scientific Sorvall™ ST 40/40R, Sorvall Legend™ XT/XTR, Heraeus Megafuge™ 40/40R, Heraeus Multifuge™ X3/X3R Centrifuge Series.