Adapter Bkt Tube 12mm F/12x5ml Rnbt, Pack Of 2

Details:

Bucket rotor adapter^ molded plastic 12mm tube adapter. For use with model s4180 swinging bucket rotors (bk361109, -101) and allegra* 21 and 21r centrifuges (bk367574, -570). Holds 12 x 3 or 5ml round bottom tubes. Tube length: 55 or 75mm. Adapters can be autoclaved or chemically sterilized.