BCWPS Filters

For reducing particles in critical aqueous liquids and prefiltration in multiple applications.

  • SVPs & LVPs
  • Diagnostics
  • Buffers
  • Cell Culture Media
  • Sera/plasma
  • Vaccines
  • Biologicals
  • Ophthalmics
Features and Benefits

PES High CapacityBCWPS is a family of high capacity, biological grade Polyethersulfone (PES) filters available in single or dual layers.


  • High contaminant holding capacity
  • Delivers high flow across a wide pH range
  • Low binding characteristics (much lower than cellulose acetate and nylon) for filtering liquids with preservatives and proteins that can adsorb to media
  • Dual layer option saves space by eliminating separate prefilter and housing
  • Optimized to protect sterilizing final filters
Filtration Area

BCWPS filtration area

View Data Sheet for further product information:
  • Materials of construction
  • Flow rates for all pore sizes
  • Operating parameters
  • Sanitization and sterilization
  • Regulation & compliance

BCWPS Filters

Quality Assurance

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

BCWPS Cartridges 

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

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

BCWPS Capsules

These filters are BCWPS cartridges encapsulated in a polypropylene shell to minimize exposure to process fluids. A popular choice for single-use applications and can be disposed of easily. Sizes range from 2-30 inches in length. BCWPS Capsules are available pre-sterilized.

BCWPS 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
  • Product optimization to meet your performance goals
  • ISO 9001:2015 certified Quality Management System
  • Appropriately rated clean room environment
  • Proven success in pharmaceutical and bioprocessing applications
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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