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Centrisart® I centrifugal ultrafiltration unit

MWCO 100 kDa

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polyethersulfone membrane
polystyrene housing
polystyrene outer tube




pack of 12 tubes


Sartorius 13269E


2000 × g max. force (fixed angle)
2500 × g max. force (swinging bucket)

filtration area

0.79 cm2

outer sample tube W × L

14 mm × 93 mm

tube size

~15 mL

working volume × concentrate volume

2.5 mL × 100

pore size

100 kDa MWCO

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General description

  • Centrisart® I centrifugal ultrafiltration unit is ideal for the separation of small-volume proteins from low molecular weight substances in biological samples.
  • The unit works in the direction opposite to centrifugal force which prevents premature filter blockage.
  • This versatile device is utilized in both fixed-angle or swinging-bucket rotors that hold standard 15 mL tubes.
  • The product is collected in the easily accessible floater insert tube.


  • Protein removal from blood samples
  • Drug binding studies
  • Cleaning of liposomes (cell lysates)

Legal Information

Centrisart is a registered trademark of Sartorius Stedim Biotech GmbH

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