Pharmaceutical Filtration

H.C. Warner, Inc. has many years of experience in critical life science filtration applications.  If your application calls for filtering hot D.I. water, intermediates, final pharmaceutical filtration, fermenting, venting, or make up water, chances are that we have the correct validated product or system for you.


  • H.C. Warner, Inc. has years of experience in critical life sciences pharmaceutical filtration.
  • Validated polyethersulfone membrane filter cartridges and capsules.
  • Parker’s acquisition of domnick hunter and PTI Advanced Filtration gives them a broad product offering.
  • Validated filtration down to 0.1 micron for retention of bioburdens.
  • Validated PTFE vent filters for sterile filtration in fermentation applications.
  • Sterilizing grade filter cartridges and capsules – can remove coronavirus (Covid-19) through membrane filtration.
  • Sanitary filter housings from domnick hunter Parker Process Filtration.
  • Stainless steel cartridges for steam sterilization
  • Hollow-fiber membrane filter cartridges to 0.05 micron
  • All PTFE filters for extremely challenging solutions
  • Low protein binding membranes

Link to Parker linecard for Pharmaceutical and Biological Filtration Products