Sartorius Stedim Biotech Sanitary Filter Housings are specifically designed for air | gas filtration applications of the Bio-Pharmaceutical Industry for autoclaves, freeze dryers and WFI tanks.

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*Custom/bulk order quotes are provided within 72 hours of request.

Air filter housings from Sartorius meet the highest requirements of the pharmaceutical and pharmaceutical industry. The most sophisticated manufacturing standards guarantee outstanding quality in workmanship and operating reliability. All pressurized filter housings comply with the European Council Pressure Equipment Directive PED 2014/68/EU. GMP-compliant design and FDA/USP Class VI approved gasket materials are additional quality features of our housings. Meticulously machined surface finishes ensure the highest operating reliability in terms of sterility and cleanability. Customer-specific documents are available for every filter housing. On request, we will customize the design of our housings to meet your specific application needs. In this case, please directly contact

  • Hygienic design by avoiding dead space and pockets
  • All surfaces that come in contact with the product are electropolished to an Ra< 0.5 µm
  • Clamping and closure elements approved by TUEV, the German Association for Technical Safety and Inspection
  • Low loss of pressure thanks to design featuring an optimized flowpath geometry
  • Versions available in high-grade AISI 316 L stainless steel
  • Connector options for installation of test and measuring equipment
  • Condensate drain valves on pressurized housings for gas filtration
  • Approved for use in hazardous areas according to ATEX EX II 2 GD c

Easy in Cleaning

Sartorius Stedim Biotech utilizes a unique filter cup design that is conducive to allow a thorough and easy cleaning. The raised filter cup design eliminates small grooves and tight spaces that might be difficult to clean while still permitting free, complete drainage of the filter housing.


Sartorius Stedim Biotech offers the widest range of housing sizes and design options to exactly match your flow rate, pressure differential and hold-up volume requirements. Connections are available in many styles and sizes. Custom designs and unique configurations are available upon request.

Ease of Installation

Sartorius Stedim Biotech housings are sold ready to install with all gaskets, o-rings and clamps. The flexible connectivity allows the end-user to install the housings to new or existing hard-piped installations.

Quality of Materials

Only 316L Stainless steel is used for all wetted surfaces to provide maximum durability. Supplied O-rings and gaskets are compounded only from FDA approved materials that meet the requirements for direct contact with food and biopharmaceutical products.

Quality Control and Documentation

An important feature of pharmaceutical process validation is documentation. All our housings are given stringent inspections during and after manufacturing including dimensional checks, weld inspections, surface measurements and hydrostatic testing. Each housing is labled by laser with a matching serial number on the bell and base. This serial number provides complete traceability for the Quality Control Certificate, Material Test Reports, and Weld Logs.

PED 2014/68/EU Standard

Sartorius Stedim Biotech Stainless Steel Housings are designed and manufactured according to the Pressure Equipment Directive PED 2014/68/EU. Our manufacturing process follows the highest quality standards and is monitored by an internal quality control system as well as by independently notified bodies on a regular basis.


Accessories Information

  • Adapter
    25 (S-adapter top, locking 2-flange bayonet adapter with 226 double O-ring bottom)  

Compliance Information

  • CFR Compliance
    All gasket materials comply with the FDA regulations 21 CFR 17.2600 and USP Class VI  

Connections (Physical)

  • Body Closure
    Sanitary Tri Clamp  
  • Closure System
    2-piece Tri clamp connection acc. to DIN 32676 with screws and nuts  
  • Vent Port Connection
    TC 50.5 - OD 1.5" & TC 25 - OD 0.5"  


  • Cartridge Height
    125 mm  

General Specifications

  • Surface Finish
    Ra < 0.4 µm internal (Electropolished sufaces), Ra < 1.2 µm external (Electropolished sufaces)  

Materials of Construction

  • Housing Material
    316L stainless steel  
  • Material o-ring | seal
  • Seals
    EPDM (FDA, Code 21 CFR 17.2600 / USPcIVI)  

Operating Conditions

  • Maximum Allowable Working Temperature
    150 °C (302 °F)  
  • Maximum Operating Pressure
    10 bar (145 psi)  

Product Information

  • Filter Housing Type
    Single Round T-Type  
  • Type
    Air | Gas Filter Housing  
  • Sartofluor®
    Item no.

    The Sartorius Sartofluor® Air Filter ensures sterile air with a single-layer PTFE membrane, offering high flow rates and validated sterility across various conditions, with a cost-effective performance for air/gas and solvent filtration.

  • Sartopure® GA
    Item no.

    Sartopure® GA is your high performance air filter. It is also used to expand the service life time of sterilizing grade air filters. Therefore it is a perfect complement for the Sartofluor® GA.

  • Removable Filter Housing Heaters
    Item no.

    Sartorius Stedim removable housing heaters are used in onjunction with sterile vent and process filter housings and are ideally suited for processes such as:

    • Bioprocessing and Pharmaceutical Process Fluids
    • Fermentation
    • Product Recovery
    • Water for Injection
    • Filtration and Purification Processes
    • Skidded Systems
    • Tanks and Vessels