Sartolab® RF 50 PES Non Sterile Vacuum Filtration Units for 50 mL samples, box of 96 pieces

Vacuum filtration units are designed for the convenient clarification & sterile filtration of tissue culture media and components, biological fluids, and other aqueous solutions. Sartolab® RF|BT vacuum filtration units are available as ready-to-use disposable 50 mL, 150 mL, 250 mL, 500 mL and 1,000 mL systems including receiver bottles, or as Bottle-Top-only system in 150 mL, 250 mL, 500 mL and 1000 mL.

Sartolab® RF|BT units can be used in combination with the Sartolab® MultiStation for hands-free parallel filtration of up to 6 samples.

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Sartolab® RF | BT vacuum filtration units are convenient filtration units designed for research purposes and, therefore, for the filtration of small volumes from 50 mL to 1 L. Sartolab® RF as a complete system includes a receiver flask to the filtration funnel. Sartolab® BT is a bottle top filter (filtration funnel) without a receiver flask, enabling customers to use their own receiver flasks and/or to expand the filtration capacity, depending on the particle load of the filtered liquid, by filling more than one receiver flask.

User Benefits:

  • Highest flow rates with a large filtration area

  • No loss of protein with a low protein affinity membrane

  • Low hold-up volume due to an optimized membrane support

  • Can be used as stand-alone system or with the Sartolab® Multistation, which allows parallel filtration of up to 6 samples


  • Application
    • Buffer & Media
    • Clarification
  • Application Area
    Sterile Filtration


  • With or Without Receiver Flask
    RF (with receiver flask)


  • Filter Diameter
    58.5 mm
  • Filtration Area
    21 cm²
  • Neck Size Bottle Top Units
    ⌀ 32 mm


  • Device/Instrument Compatibility
    Sartolab® Multistation

General Specifications

  • Device Format
    RF (with receiver flask)

Materials of Construction

  • Housing Material
    Polystyrene (PS)
  • Membrane Material
    Polyethersulfone (PES)

Physicochemical Information

  • Pore Size
    0.22 µm
  • Wettability

Product Information

  • Brand
    Sartolab® RF/BT
  • Device Type
    Vacuum filtration units (with receiver flask)
  • Pack Size
  • Packaging
    Bulk packed
  • Sample Type
    • Aqueous
    • Solvents and harsh liquids according to chemical compatibility


  • Delivery Condition
  • Sterilization Method


  • Filling Volume
    50 mL
  • Funnel Volume
    50 mL
  • Receiver Flask Volume
    50 mL (conical tube)
  • Volume
    50 mL
Vacuum tube for MultiStation
Item no.


Vacuum tube for MultiStation

  • Material: silicone
  • Outer diameter: 15 mm
  • Inner diameter: 7 mm
  • Length: 200 mm

Glass Microfiber Filters / Grade MGA


Binder free glass microfiber filters are suitable for analytical and gravimetric analyses. The filters FT-3-1101-058-5 are also used as prefilters for the Sartolab® RF 50, 50 mL vacuum filtration units.

Sartolab® Multistation Filtration Units Stand


The Sartolab® Multistation is specially designed for simultaneous, hands-free filtration of up to six samples.

Top Features of the Sartolab® Multistation

  • Simultaneous filtration of one to six samples with one vacuum source
  • Hands-free filtration
  • Time-saving, with no installation time for each filter unit before use

Popular Applications for the Sartolab® Multistation

  • Hands-free, parallel filtration of up to six samples

Microsart® e.jet Laboratory Liquid Transfer Pump


The Microsart® e.jet Fluid Pump is a small, state-of-the-art liquid transfer pump for optimal vacuum filtration in your Microbiological QC lab.

Top Features of the Microsart® e.jet Fluid Pump

  • Small foot print – no need of suction flasks between pump and manifold
  • Simultaneous transfer of filtered liquid to waste
  • Constant flow rates and defined maximum vacuum

Popular Applications for the Microsart® e.jet Fluid Pump

  • Filtration of liquid samples in Microbiological Quality Control labs

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