Sartorius Vivaspin® Turbo 4 Ultrafiltration Unit, 3 kDa PES – Pack of 25

The Sartorius Vivaspin® Turbo 4 Ultrafiltration Unit with a 3 kDa polyethersulfone (PES) membrane is engineered for rapid and efficient macromolecule concentration and buffer exchange. Featuring twin vertical PES membranes and a sleek internal design, it achieves ultrafast filtration with optimal recoveries. Its pipette-friendly angular dead-stop pocket prevents overdrying and allows final recoveries with standard pipette tips. Designed for use with centrifugal rotors (swing‑out and fixed‑angle), this unit delivers a maximum sample capacity of 4 mL and a minimum dead volume of just 10 µL.

Key Features:

• Brand: Sartorius
• Membrane Material: Polyethersulfone (PES) for low fouling and high chemical compatibility
• Molecular Weight Cut-Off: 3 kDa
• Configuration: Twin vertical membranes with sleek design for rapid delivery
• Dead-Stop Recovery: Unique angular pocket allows effortless retrieval of concentrated sample
• Sample Volume: Up to 4 mL; minimal dead volume (<10 µL)
• Maximum Speed: Up to 4,000 × g for swing-bucket rotors; 7,500 × g for fixed-angle rotors
• Quantity: Pack of 25 units
• Applications: Ideal for protein, peptide, nucleic acid, virus, or nanoparticle concentration and buffer exchange

This high-performance ultrafiltration unit is perfect for labs needing fast, reliable, and precise concentration of biological samples.