ENM Filters

For ultrafine particle removal in ultrapure water, chemicals, solvents, and other aqueous solutions.

  • Ultrapure Water
  • Chemicals
  • Solvents
  • Photoresists
  • Developers
Features and Benefits

Nylon 6,6ENM is a family of Nylon 6,6 membrane fine particle removal filters. 


  • High retention and throughput
  • Broad chemical compatibility
  • Pulse power flushed until the rinse effluent reaches 18+ Megohm-cm and less than 3ppb TOC
  • Pore sizes range from 0.10 to 0.65 µm


Filtration Area
PNC filtration area
View Data Sheet for further product information:
  • Integrity test specifications
  • Materials of construction
  • Operating parameters
  • Sanitization and sterilization
  • Regulation & compliance
Quality Assurance

ENM filters are 100% integrity tested. CPF filters are developed and manufactured under an ISO 9001:2015 certified Quality Management System and designed to be used in cGMP-compliant processes. 

ENM Cartridges 

Available from 5-40 inches in length with several end connections and O-ring options.  

ENM cartridge        Critical Process Filtration black and white capsule with etched logo 

ENM Capsules

These filters are ENM cartridges encapsulated in a polypropylene shell to minimize exposure to process fluids. Sizes range from 2-30 inches in length. 

ENM capsule        Critical process black and white capsule with cutout to show cartridge etched logo 

Why Choose Critical Process Filters?

Quality & Performance
  • Over 20 years of engineering and manufacturing the finest filters for critical applications. 
  • Compliance with industry standards required for your operation
  • Proven success in electronics and chemical applications
  • Product optimization to meet your performance goals
  • ISO 9001:2015 certified Quality Management System
  • Appropriately rated clean room environment
Price Advantage

It's simple. Our products are very competitively priced. Learn more

Services & Support
  • Presales evaluations/recommendations by highly experienced Application Engineers 
  • Post sales support and trouble shooting
  • Testing & Analysis services (our site or yours)
  • Validation Services

Made in USA 800   90012015Large-(1)

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