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PTFE Gas Cartridge Filters

When validated membrane retention is required by the customer


Our SurePore PTFE gas cartridge filter series is crafted utilizing a hydrophobic PTFE membrane renowned for its exceptional flow capacity. This feature ensures minimal clean differential pressures and prolonged service life. The cartridge hardware is meticulously engineered with a wide bore polypropylene core and endcaps, optimizing cartridge flow efficiency.

The SurePore PTFE Gas range offers validated absolute sterilization capabilities, making it ideal for critical applications. Engineered to withstand multiple steam sterilization cycles at high temperatures, these products undergo thorough integrity testing using standard methods. Compliant with USFDA Title 21 and USP Class VI standards, the filter also meets current USP requirements for extractables.

Why Choose PoreFiltration?

  • Extensive product range
  • Best Price GUARANTEED!
  • Specialist support team with deep knowledge of liquid & gas applications
  • Reliable quality and delivery.

Technical details

    • Filter Medium - Hydrophobic PTFE membrane for gas applications

    • Filter Hardware - Polypropylene (PP) membrane support/drainage, PP cage and wide bore core 

    • Available micron ratings - 0.01µm rating in dry gas

    • Available lengths -  5.0" (ABO5), 10.0", 20.0", 30.0"

    • Sterilizable - Steam-in-place 140℃, Autoclave 121℃

    • Maximum differential pressure - Reverse 5.2 bar @ 25℃, 1.9 bar @ 82℃

    • Quality control - 100% integrity tested; Cartridge fully traceable; All material comply with relevant CFR21 requirements: Bacteria Liquid Challenge Test TR≥1011 Full validation available upon request.

    • Available end caps - Wide bore code 7 with St.St insert option 

    • Available formats - Cartridge, Junior & capsule


  • Compressed Gas
  • Inlet and off-gas for fermentation
  • Sterile storage and product tank venting
  • Clean steam
  • Carbon dioxide for carbonated of beverages
  • Nitrogen for fire suppression and solvent tank blanketing
  • Oxygen for medical use

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Technical details [Product A] 

Filter Medium Polypropylene
Available Lengths 

9.75" (24.8cm), 10.0" (25.4cm), 20.0" (50.8cm), 30.0" (76.2cm), 40.0" (101.6cm)

Available Micron Ratings 

0.5, 1,3, 5, 10, 20, 30, 50, 75, 100μm

Internal Diameter 

1.1" (28mm) / 4.5" (114mm)

External Diameter 

2.5" (63mm)

Max Operating Temperature  XX degrees 
Maximum Differential Pressure

 60psid @ 70°F (4.1 Bar @ 30°C) 50psid @ 122°F (3.4 Bar @ 50°C) 30psid @ 158°F (2 Bar @ 70°C) 15psid @ 180°F (1 Bar @ 82°C)

Recommended Changeout Differential Pressure

37psid (2.5 Bar) @ 30°C


All filter bags are supplied free of Silicone. FDA Approved. EU XXX.




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Talk to us today about your filtration requirements

  • Extensive product range
  • Best Price GUARANTEED!
  • Specialist support team with deep knowledge of liquid & gas applications
  • Reliable quality & delivery