Industry’s Filtration Partner
Memtrex PM Capsule Filters (CMPM) have a broad chemical compatibility. Constructed with high purity polypropylene membranes, hardware, and supports, they are ideal for the filtration of aggressive gases, liquids, and solutions from a wide variety of chemical and engineering processes.
Unit of Measure




Absolute Micron Rating

N/A 0.2 µm

Capsule Size

N/A Small
Connections1 N/A 3/8" (9.5 mm) Hose Barb

Integrity Testing

N/A Water intrusion is ≤ 1.8 cc/min per ft² of Effective Filtration Area

Test Pressure

N/A 30 psi2.1 bar


N/A All products mentioned are trademarks of the General Electric Company and may be registered in one or more countries.

Materials of Construction

Filtration Media

N/A Hydrophobic Polypropylene Membrane

Membrane Support Layers

N/A Polypropylene Microfiber

Structural Components

N/A Polypropylene



N/A 3.5 in9 cm
Length2 N/A 3.5 - 5.0 in9 - 13 cm

Effective Filtration Area

N/A 1 ft²748 cm²

Operational Limits

Maximum Operational Pressure @ 70ºF (21ºC) in Liquid

N/A 80 psi5.5 bar

Maximum Operational Pressure @ 70ºF (21ºC) in Gas

N/A 55 psi3.8 bar

Maximum Differential Pressure @ 70ºF (21ºC)

N/A 60 psi4.1 bar

Maximum Operating Temperature at ≤30 psi (2.1 bar) Operating Pressure

N/A 110 ºF43 ºC

Features and Benefits


  • High flow, highly hydrophobic polypropylene membrane
  • Ideal for vent filtration
  • Low extractables, high throughput, long service life
  • 100% polypropylene construction
  • Individually integrity tested during manufacturing

  • Applications

    N/A Memtrex PM Capsule Filters are specifically designed for pure chemical filtration, including:

  • Filtration of etchants, photoresists, and developers
  • Filtration of solvents, acids, and bases
  • Filtration of fine chemicals
  • Vent/process air filtration

  • Additional Information

    N/A Memtrex PM Capsule filters may be sanitized with a variety of commonly used chemical agents. The capsules may be repeatedly autoclaved (121ºC, 30 min) for up to 5 cycles.

    GE certifies that the materials contained in its Memtrex PM Capsule filters meet U.S. FDA requirements for food contact under the applicable regulations in 21 CFR. For further information, contact the GE Technical Services Department. Memtrex PM filters meet the test criteria for USP class VI-121ºC Plastics.

    GE filter capsules are designed and manufactured for resistance to a wide range of chemical solutions. Conditions will vary with each application and users should carefully verify chemical compatibility. Please contact your GE distributor for more information.

    • 1 Choose an inlet and outlet connection.
    • 2 Varies with connection style.