Ready-to-use, sterile Microsart® @filter units combine a funnel, a filter base and a gridded membrane filter in one unit. They have been specifically developed for the detection and enumeration of microorganisms in pharmaceuticals, cosmetics, food, beverages, water and other liquids.

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Microsart® @filter 100 and 250 filter units are a sterile and ready-to-use combination of funnel, filter base and gridded membrane in one unit. They have been specifically developed for the detection and enumeration of microorganisms in pharmaceuticals, cosmetics, food, beverages, water and other liquids.

The Microsart® @filter range has been tailored to meet individual needs. There are two volume sizes to choose from, 100 ml and 250 ml, different pore sizes and different filter colors for constrasting backgrounds during evaluation. Marked graduations allow accurate sample volumes.The optimal design permits a thorough rinsing of the system following filtration. No liquid is retained in the filter funnel. Optimal sealing to the Microsart® Base 47 mm is guaranteed by the Click-Fit closure. The filter units are available as tray versions with lids, or are stacked in bags for safe removal using the Microsart® Funnel Dispenser.

Microsart® @vance is an entire product family and stands for innovative products for microbiological analyses based on colony count determination. From taking the sample until incubation in just a few easy steps, whilst at the same time minimizing the risk of secondary contamination.All Microsart® products meet the most stringent quality assurance standards, providing reliable results and offering simple, time-saving handling.

Microsart® @vance is advanced colony counting by Sartorius Microsart® Base and Funnel DispenserMicrosart® Base 47 mm is the perfect addition to existing Combisart® and Microsart® Combi.jet stainless steel manifolds. The Microsart® Funnel Dispenser guarantees secure removal of single, sterile Microsart® @filter units. Even after opening the bag, the remaining funnels are protected from secondary contamination.

The pharmaceutical and biotech industries are driven by the need to optimize their work flows and increase efficiency without compromising their level of safety. Products and raw materials used in the pharmaceutical or biotech industry require control of microbial levels during processing and handling. All components of the filtration system must comply with international guidelines, such as USP, EP or ISO standards.


  • Application
    Microbial Enumeration
  • Application Area
    Bioburden/Microbial enumeration
  • Industry
    • Food & Beverage
    • Pharma / Biotech
  • Market
    Environmental/Water Testing
  • Usage

Compliance Information

  • Lot Certificates
    Recovery rate, sterility and performance test


  • Filter Diameter
    ⌀ 47 mm
  • Filtration Area
    13.2 cm²

General Specifications

  • Culture Media
  • Membrane Color | Grid Color
    grey | white

Materials of Construction

  • Base Material
    Acrylonitrile butadiene styrene (ABS)
  • Filter Material
    Cellulose Nitrate (CN) / Mixed Cellulose Ester (MCE)
  • Funnel Material
    Polypropylene (PP)
  • Membrane Material
    Cellulose Nitrate (CN, Cellulose Mixed Ester)

Physicochemical Information

  • Pore Size
    0.45 µm

Product Information

  • Brand
    Microsart® @filter
  • Pack Size
  • Package Type
  • Packaging
    27 individually packed
  • Type

Usage Protocols

  • Sterilization Procedures


  • Volume
    100 mL

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