HLP Prefilters

For prefiltering fluids with large sized particles.

  • Sera/Plasma
  • Cell Culture Media
  • Fermentation Broths
  • Buffers & Other Fluids
  • Solvents
  • Process Water
  • Plating Solutions
  • CMP Slurries
  • Resists
  • Acids & Bases
Features and Benefits

Polypro DepthHLP is a family of high loft pleated Polypropylene depth media products for filtering liquids with a high particle burden including water, CMP slurries, chemicals, and solvents. 

  • Superior retention of high particle concentration for final product filtration
  • Provides long life and high throughput
  • Protects downstream filters
  • Pore sizes: 0.10 to 10 micron
Filtration Area
HLP filtration area
View Data Sheet for further product information:
  • Materials of construction
  • Flow rates for all pore sizes
  • Operating parameters
  • Sanitization and sterilization
  • Regulatory & compliance

HLP 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. 

HLP Cartridges 

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

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

HLP Capsules

These filters are HLP 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. 

HLP 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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