Skip to content Skip to navigation menu

Midisart® 2000

Midisart® filters are available with PTFE (autoclavable) or PES (gamma-irradiatable | autoclavable) membrane. Ready-to-use, 100 % integrity tested and fully validated.

Item no.:  17805--------TCN

Availability (ex works):  On Request


The Midisart® filter family is the clear choice for small scale sterile air/gas filtration applications.

Sartorius offers two Midisart® variants that perfectly match all requirements:

Midisart® 2000

The most popular. Reliable performance since decades.

  • Hydrophobic PTFE membrane
  • Liquid bacteria challenge test
  • Autoclaving (max. 60 cycles)
  • 100% integrity tested
  • Clear laser labeling (no ink used)
  • Light-weight construction
  • Superior flow rates

Sartopore® Air Midisart®

For critical applications. Perfect for single-use assemblies.

  • Hydrophobic PES membrane
  • Gamma-irradiatable
  • Autoclaving (max. 3 cycles)
  • Liquid bacteria challenge test (bi-directionally)
  • 100% integrity tested
  • Clear laser labeling (no ink used)
  • No fleeces used
  • Superior flow rates

Critical Application Validation Package:

  • Aerosol bacteria challenge test
  • Aerosol phage challenge test
  • Aerosol particle challenge test
  • Particle release specification


While Sartopore® Air Midisart® are designed for any kind of (critical) application, Midisart® 2000 cannot be gamma-irradiated (what is required for most single-use applications).

  • Filling and transfer vessels
  • Holding and storage tanks for sterile media
  • Autoclaves
  • Carboys
  • Solvent filtration
  • Mixers
  • Small (single-use) fermenters [Sartopore® Air recommended]
  • Single-use assemblies [Sartopore® Air recommended]
  • Disposable bags/bottles [Sartopore® Air recommended]
  • Tubing systems [Sartopore® Air recommended]
  • Cell culture chambers [Sartopore® Air recommended]
  • Fill & Finish applications [Sartopore® Air recommended]


Midisart® 2000 — The ready-to-use filter for sterilizing gases and venting
en 1.6 MB
zh 19.0 MB


Midisart® 2000 — Ready-to-use filter for sterilizing gases and venting
en 847.6 kB


  • Industry

Biological Information

  • Bacterial Retention
    Quantitative Retention of 1 × E7 CFU/cm² Brevundimonas Diminuta ATCC® 19146 per ASTM methodology

Compliance Information

  • Bacterial Endotoxins
    < 0.25 EU/mL as determined by the LAL test
  • Biosafety
    All materials of this filter element meet the requirements of the current USP Biological Reactivity tests <88> for plastics Class VI (Systemic Injection, Intracutaneous and Implantation tests).
  • Extractables
    The total amount of extractables is well below the limits established by the current USP unter "Sterile Water for Injection".
  • GMP Compliance
    This product was manufactured in conformance with established Current Good Manufacturing Practice (cGMP) standards.

Connections (Physical)

  • Connector Inlet
  • Connector Outlet


  • Filtration Area
    20 cm²
  • Height
    580 mm

Materials of Construction

  • Housing Material
    Polypropylene (PP)
  • Membrane Material
    Polytetrafluorethylene (PTFE)

Operating Conditions

  • Maximum Differential Pressure
    3 bar
  • Maximum Operating Pressure
    3 bar (44 psi)

Physicochemical Information

  • Gamma Stable
  • Non-Fiber Releasing
    This filter product complies with the title 21 of the Code of Federal Regulations (CFR), section 210.3(b)(6) and 211.72.
  • Pore Size Final-filter
    0.2 µm

Product Information

  • Filter Type
    Air/Gas/Solvent Filters
  • Pack Size
  • Packaging
    Non-sterile, bulk packed
  • Primary Product Type
  • Sterilization Method


  • Capsule/Cartridge Format
    Flat Disc Capsules
  • Filter Format
  • Minimum Required Bubble Point
    1.1 bar | 15.95 psi

Usage Protocols

  • Sterilization Procedures
    Autoclaving: max. 20 cycles at max. 134 °C, 2 bar | 29 psi

Midisart® filters are available with PTFE (autoclavable) or PES (gamma-irradiatable | autoclavable) membrane. Ready-to-use, 100 % integrity tested and fully validated.